Bertha Weaver, James Wooley, Mary Songer, Bill Jones Math 113 - 01: Spring 2000

There is no signficant difference in Cubs and Eagles, except with respect to Breakfast Cereals, where Cubs is significantly cheaper, both for the regular price and the sale price.

There is no signficant difference in Cubs and Krogers, except with respect to Breakfast Cereals and Soups and Sauces, where Cubs is significantly cheaper, both for the regular price and the sale price.

There is no signficant difference in Cubs and Schnucks, except with respect t Breakfast Cereals, where Cubs is significantly cheaper, but only for the discounte price.

There is no signficant difference in Cubs and WalMart.

It appears that there is no overall significant difference between Cu Foods and any of the other stores, although Cubs appears to be cheape than everybody except WalMart on Breakfast Cereals.

Store Name | N | Mean | Std. Deviation | Std. Error Mean | |
---|---|---|---|---|---|

Regular Price | Cubs | 37 | 2.2759 | 1.4443 | .2374 |

Eagles | 37 | 2.3562 | 1.4612 | .2402 | |

Price Paid | Cubs | 37 | 2.0630 | 1.3446 | .2210 |

Eagles | 37 | 2.2811 | 1.4194 | .2333 |

Levene's Test for Equality of Variances | t-test for Equality of Means | |||||||
---|---|---|---|---|---|---|---|---|

F | Sig. | t | df | Sig. (2-tailed) | Mean Difference | Std. Error Difference | ||

Regular Price | Equal variances assumed | .037 | .849 | -.238 | 72 | .813 | -8.0270E-02 | .3378 |

Equal variances not assumed | -.238 | 71.990 | .813 | -8.0270E-02 | .3378 | |||

Price Paid | Equal variances assumed | .411 | .524 | -.679 | 72 | .500 | -.2181 | .3214 |

Equal variances not assumed | -.679 | 71.790 | .500 | -.2181 | .3214 |

Product Category | Store Name | N | Mean | Std. Deviation | Std. Error Mean | |
---|---|---|---|---|---|---|

Dairy Products | Regular Price | Cubs | 3 | 3.6100 | 1.0923 | .6307 |

Eagles | 3 | 3.6233 | 1.4572 | .8413 | ||

Price Paid | Cubs | 3 | 3.5067 | 1.2163 | .7022 | |

Eagles | 3 | 3.6233 | 1.4572 | .8413 | ||

Beverages | Regular Price | Cubs | 6 | 3.1333 | 2.4901 | 1.0166 |

Eagles | 6 | 2.7450 | 2.4304 | .9922 | ||

Price Paid | Cubs | 6 | 2.4433 | 2.4398 | .9960 | |

Eagles | 6 | 2.7450 | 2.4304 | .9922 | ||

Breakfast Cereals |
Regular Price | Cubs | 8 | 2.9138 |
.4557 | .1611 |

Eagles | 8 | 3.3713 |
.5345 | .1890 | ||

Price Paid | Cubs | 8 | 2.5338 |
.4613 | .1631 | |

Eagles | 8 | 3.0738 |
.6079 | .2149 | ||

Snacks and Sweets | Regular Price | Cubs | 5 | 2.2520 | 1.0946 | .4895 |

Eagles | 5 | 2.0400 | 1.2440 | .5563 | ||

Price Paid | Cubs | 5 | 2.1740 | 1.0962 | .4903 | |

Eagles | 5 | 1.9600 | 1.1530 | .5157 | ||

Fruits and Fruit Juices | Regular Price | Cubs | 5 | 1.7240 | .9895 | .4425 |

Eagles | 5 | 1.8500 | .9762 | .4366 | ||

Price Paid | Cubs | 5 | 1.7240 | .9895 | .4425 | |

Eagles | 5 | 1.8500 | .9762 | .4366 | ||

Lunch Meat | Regular Price | Cubs | 4 | 1.0400 | .3000 | .1500 |

Eagles | 4 | 1.0900 | .6000 | .3000 | ||

Price Paid | Cubs | 4 | 1.0400 | .3000 | .1500 | |

Eagles | 4 | 1.0900 | .6000 | .3000 | ||

Soups and Sauces | Regular Price | Cubs | 4 | .7625 | .1972 | 9.860E-02 |

Eagles | 4 | 1.0200 | .2322 | .1161 | ||

Price Paid | Cubs | 4 | .7625 | .1972 | 9.860E-02 | |

Eagles | 4 | 1.0200 | .2322 | .1161 | ||

Meats | Regular Price | Cubs | 2 | 2.0900 | 1.1314 | .8000 |

Eagles | 2 | 2.4900 | .7071 | .5000 | ||

Price Paid | Cubs | 2 | 2.0900 | 1.1314 | .8000 | |

Eagles | 2 | 2.4900 | .7071 | .5000 |

Levene's Test for Equality of Variances | t-test for Equality of Means | ||||||||
---|---|---|---|---|---|---|---|---|---|

F | Sig. | t | df | Sig. (2-tailed) | Mean Difference | Std. Error Difference | |||

Product Category | |||||||||

Dairy Products | Regular Price | Equal variances assumed | .552 | .499 | -.013 | 4 | .990 | -1.3333E-02 | 1.0514 |

Equal variances not assumed | -.013 | 3.708 | .991 | -1.3333E-02 | 1.0514 | ||||

Price Paid | Equal variances assumed | .254 | .640 | -.106 | 4 | .920 | -.1167 | 1.0959 | |

Equal variances not assumed | -.106 | 3.876 | .920 | -.1167 | 1.0959 | ||||

Beverages | Regular Price | Equal variances assumed | .011 | .918 | .273 | 10 | .790 | .3883 | 1.4205 |

Equal variances not assumed | .273 | 9.994 | .790 | .3883 | 1.4205 | ||||

Price Paid | Equal variances assumed | .045 | .836 | -.215 | 10 | .834 | -.3017 | 1.4059 | |

Equal variances not assumed | -.215 | 10.000 | .834 | -.3017 | 1.4059 | ||||

Breakfast Cereals | Regular Price | Equal variances assumed | .070 | .796 | -1.842 | 14 | .087 | -.4575 | .2483 |

Equal variances not assumed | -1.842 | 13.658 | .087 | -.4575 | .2483 | ||||

Price Paid | Equal variances assumed | 1.871 | .193 | -2.002 | 14 | .065 | -.5400 | .2698 | |

Equal variances not assumed | -2.002 | 13.054 | .067 | -.5400 | .2698 | ||||

Snacks and Sweets | Regular Price | Equal variances assumed | .276 | .614 | .286 | 8 | .782 | .2120 | .7410 |

Equal variances not assumed | .286 | 7.873 | .782 | .2120 | .7410 | ||||

Price Paid | Equal variances assumed | .081 | .783 | .301 | 8 | .771 | .2140 | .7115 | |

Equal variances not assumed | .301 | 7.980 | .771 | .2140 | .7115 | ||||

Fruits and Fruit Juices | Regular Price | Equal variances assumed | .004 | .949 | -.203 | 8 | .844 | -.1260 | .6216 |

Equal variances not assumed | -.203 | 7.999 | .844 | -.1260 | .6216 | ||||

Price Paid | Equal variances assumed | .004 | .949 | -.203 | 8 | .844 | -.1260 | .6216 | |

Equal variances not assumed | -.203 | 7.999 | .844 | -.1260 | .6216 | ||||

Lunch Meat | Regular Price | Equal variances assumed | 1.800 | .228 | -.149 | 6 | .886 | -5.0000E-02 | .3354 |

Equal variances not assumed | -.149 | 4.412 | .888 | -5.0000E-02 | .3354 | ||||

Price Paid | Equal variances assumed | 1.800 | .228 | -.149 | 6 | .886 | -5.0000E-02 | .3354 | |

Equal variances not assumed | -.149 | 4.412 | .888 | -5.0000E-02 | .3354 | ||||

Soups and Sauces | Regular Price | Equal variances assumed | .782 | .411 | -1.690 | 6 | .142 | -.2575 | .1523 |

Equal variances not assumed | -1.690 | 5.846 | .143 | -.2575 | .1523 | ||||

Price Paid | Equal variances assumed | .782 | .411 | -1.690 | 6 | .142 | -.2575 | .1523 | |

Equal variances not assumed | -1.690 | 5.846 | .143 | -.2575 | .1523 | ||||

Meats | Regular Price | Equal variances assumed | 1688918582536988.000 | .000 | -.424 | 2 | .713 | -.4000 | .9434 |

Equal variances not assumed | -.424 | 1.678 | .720 | -.4000 | .9434 | ||||

Price Paid | Equal variances assumed | 1688918582536988.000 | .000 | -.424 | 2 | .713 | -.4000 | .9434 | |

Equal variances not assumed | -.424 | 1.678 | .720 | -.4000 | .9434 |

Store Name | N | Mean | Std. Deviation | Std. Error Mean | |
---|---|---|---|---|---|

Regular Price | Cubs | 37 | 2.2759 | 1.4443 | .2374 |

Krogers | 37 | 2.4359 | 1.4702 | .2417 | |

Price Paid | Cubs | 37 | 2.0630 | 1.3446 | .2210 |

Krogers | 37 | 2.3078 | 1.3838 | .2275 |

Levene's Test for Equality of Variances | t-test for Equality of Means | |||||||
---|---|---|---|---|---|---|---|---|

F | Sig. | t | df | Sig. (2-tailed) | Mean Difference | Std. Error Difference | ||

Regular Price | Equal variances assumed | .001 | .978 | -.472 | 72 | .638 | -.1600 | .3388 |

Equal variances not assumed | -.472 | 71.977 | .638 | -.1600 | .3388 | |||

Price Paid | Equal variances assumed | .369 | .546 | -.772 | 72 | .443 | -.2449 | .3172 |

Equal variances not assumed | -.772 | 71.941 | .443 | -.2449 | .3172 |

Product Category | Store Name | N | Mean | Std. Deviation | Std. Error Mean | |
---|---|---|---|---|---|---|

Dairy Products | Regular Price | Cubs | 3 | 3.6100 | 1.0923 | .6307 |

Krogers | 3 | 3.6567 | 1.1719 | .6766 | ||

Price Paid | Cubs | 3 | 3.5067 | 1.2163 | .7022 | |

Krogers | 3 | 3.6567 | 1.1719 | .6766 | ||

Beverages | Regular Price | Cubs | 6 | 3.1333 | 2.4901 | 1.0166 |

Krogers | 6 | 2.9400 | 2.4704 | 1.0085 | ||

Price Paid | Cubs | 6 | 2.4433 | 2.4398 | .9960 | |

Krogers | 6 | 2.5900 | 2.1991 | .8978 | ||

Breakfast Cereals |
Regular Price | Cubs | 8 | 2.9138 |
.4557 | .1611 |

Krogers | 8 | 3.4425 |
.5250 | .1856 | ||

Price Paid | Cubs | 8 | 2.5338 |
.4613 | .1631 | |

Krogers | 8 | 3.3175 |
.4644 | .1642 | ||

Snacks and Sweets | Regular Price | Cubs | 5 | 2.2520 | 1.0946 | .4895 |

Krogers | 5 | 2.1300 | .9535 | .4264 | ||

Price Paid | Cubs | 5 | 2.1740 | 1.0962 | .4903 | |

Krogers | 5 | 1.5580 | .7197 | .3219 | ||

Fruits and Fruit Juices | Regular Price | Cubs | 5 | 1.7240 | .9895 | .4425 |

Krogers | 5 | 1.9320 | 1.2713 | .5686 | ||

Price Paid | Cubs | 5 | 1.7240 | .9895 | .4425 | |

Krogers | 5 | 2.4100 | 1.0803 | .4831 | ||

Lunch Meat | Regular Price | Cubs | 4 | 1.0400 | .3000 | .1500 |

Krogers | 4 | 1.0150 | .4500 | .2250 | ||

Price Paid | Cubs | 4 | 1.0400 | .3000 | .1500 | |

Krogers | 4 | .7975 | .5950 | .2975 | ||

Soups and Sauces |
Regular Price | Cubs | 4 | .7625 |
.1972 | 9.860E-02 |

Krogers | 4 | 1.0400 |
.1023 | 5.115E-02 | ||

Price Paid | Cubs | 4 | .7625 |
.1972 | 9.860E-02 | |

Krogers | 4 | 1.0400 |
.1023 | 5.115E-02 | ||

Meats | Regular Price | Cubs | 2 | 2.0900 | 1.1314 | .8000 |

Krogers | 2 | 2.7250 | 9.192E-02 | 6.500E-02 | ||

Price Paid | Cubs | 2 | 2.0900 | 1.1314 | .8000 | |

Krogers | 2 | 2.5750 | .1202 | 8.500E-02 |

Levene's Test for Equality of Variances | t-test for Equality of Means | ||||||||
---|---|---|---|---|---|---|---|---|---|

F | Sig. | t | df | Sig. (2-tailed) | Mean Difference | Std. Error Difference | |||

Product Category | |||||||||

Dairy Products | Regular Price | Equal variances assumed | .033 | .865 | -.050 | 4 | .962 | -4.6667E-02 | .9249 |

Equal variances not assumed | -.050 | 3.980 | .962 | -4.6667E-02 | .9249 | ||||

Price Paid | Equal variances assumed | .000 | .987 | -.154 | 4 | .885 | -.1500 | .9752 | |

Equal variances not assumed | -.154 | 3.994 | .885 | -.1500 | .9752 | ||||

Beverages | Regular Price | Equal variances assumed | .040 | .845 | .135 | 10 | .895 | .1933 | 1.4320 |

Equal variances not assumed | .135 | 9.999 | .895 | .1933 | 1.4320 | ||||

Price Paid | Equal variances assumed | .026 | .876 | -.109 | 10 | .915 | -.1467 | 1.3409 | |

Equal variances not assumed | -.109 | 9.894 | .915 | -.1467 | 1.3409 | ||||

Breakfast Cereals | Regular Price | Equal variances assumed | .015 | .905 | -2.151 | 14 | .049 | -.5288 | .2458 |

Equal variances not assumed | -2.151 | 13.728 | .050 | -.5288 | .2458 | ||||

Price Paid | Equal variances assumed | .120 | .734 | -3.387 | 14 | .004 | -.7838 | .2314 | |

Equal variances not assumed | -3.387 | 13.999 | .004 | -.7838 | .2314 | ||||

Snacks and Sweets | Regular Price | Equal variances assumed | .092 | .769 | .188 | 8 | .856 | .1220 | .6492 |

Equal variances not assumed | .188 | 7.852 | .856 | .1220 | .6492 | ||||

Price Paid | Equal variances assumed | .478 | .509 | 1.050 | 8 | .324 | .6160 | .5865 | |

Equal variances not assumed | 1.050 | 6.908 | .329 | .6160 | .5865 | ||||

Fruits and Fruit Juices | Regular Price | Equal variances assumed | 1.844 | .212 | -.289 | 8 | .780 | -.2080 | .7205 |

Equal variances not assumed | -.289 | 7.545 | .781 | -.2080 | .7205 | ||||

Price Paid | Equal variances assumed | .003 | .958 | -1.047 | 8 | .326 | -.6860 | .6552 | |

Equal variances not assumed | -1.047 | 7.939 | .326 | -.6860 | .6552 | ||||

Lunch Meat | Regular Price | Equal variances assumed | .692 | .437 | .092 | 6 | .929 | 2.500E-02 | .2704 |

Equal variances not assumed | .092 | 5.227 | .930 | 2.500E-02 | .2704 | ||||

Price Paid | Equal variances assumed | 1.764 | .232 | .728 | 6 | .494 | .2425 | .3332 | |

Equal variances not assumed | .728 | 4.433 | .503 | .2425 | .3332 | ||||

Soups and Sauces | Regular Price | Equal variances assumed | .847 | .393 | -2.498 | 6 | .047 | -.2775 | .1111 |

Equal variances not assumed | -2.498 | 4.506 | .060 | -.2775 | .1111 | ||||

Price Paid | Equal variances assumed | .847 | .393 | -2.498 | 6 | .047 | -.2775 | .1111 | |

Equal variances not assumed | -2.498 | 4.506 | .060 | -.2775 | .1111 | ||||

Meats | Regular Price | Equal variances assumed | 10137733791678280.000 | .000 | -.791 | 2 | .512 | -.6350 | .8026 |

Equal variances not assumed | -.791 | 1.013 | .572 | -.6350 | .8026 | ||||

Price Paid | Equal variances assumed | 9593526692860800.000 | .000 | -.603 | 2 | .608 | -.4850 | .8045 | |

Equal variances not assumed | -.603 | 1.023 | .653 | -.4850 | .8045 |

Store Name | N | Mean | Std. Deviation | Std. Error Mean | |
---|---|---|---|---|---|

Regular Price | Cubs | 37 | 2.2759 | 1.4443 | .2374 |

Schnucks | 37 | 2.4062 | 1.4057 | .2311 | |

Price Paid | Cubs | 37 | 2.0630 | 1.3446 | .2210 |

Schnucks | 37 | 2.3414 | 1.3129 | .2158 |

Levene's Test for Equality of Variances | t-test for Equality of Means | |||||||
---|---|---|---|---|---|---|---|---|

F | Sig. | t | df | Sig. (2-tailed) | Mean Difference | Std. Error Difference | ||

Regular Price | Equal variances assumed | .043 | .837 | -.393 | 72 | .695 | -.1303 | .3313 |

Equal variances not assumed | -.393 | 71.947 | .695 | -.1303 | .3313 | |||

Price Paid | Equal variances assumed | .201 | .655 | -.901 | 72 | .371 | -.2784 | .3090 |

Equal variances not assumed | -.901 | 71.959 | .371 | -.2784 | .3090 |

Product Category | Store Name | N | Mean | Std. Deviation | Std. Error Mean | |
---|---|---|---|---|---|---|

Dairy Products | Regular Price | Cubs | 3 | 3.6100 | 1.0923 | .6307 |

Schnucks | 3 | 3.4900 | 1.1000 | .6351 | ||

Price Paid | Cubs | 3 | 3.5067 | 1.2163 | .7022 | |

Schnucks | 3 | 3.0567 | 1.3317 | .7688 | ||

Beverages | Regular Price | Cubs | 6 | 3.1333 | 2.4901 | 1.0166 |

Schnucks | 6 | 3.0383 | 2.2367 | .9131 | ||

Price Paid | Cubs | 6 | 2.4433 | 2.4398 | .9960 | |

Schnucks | 6 | 2.8717 | 1.8944 | .7734 | ||

Breakfast Cereals |
Regular Price | Cubs | 8 | 2.9138 | .4557 | .1611 |

Schnucks | 8 | 3.3138 | .4930 | .1743 | ||

Price Paid | Cubs | 8 | 2.5338 |
.4613 | .1631 | |

Schnucks | 8 | 3.3138 |
.4930 | .1743 | ||

Snacks and Sweets | Regular Price | Cubs | 5 | 2.2520 | 1.0946 | .4895 |

Schnucks | 5 | 2.5260 | 1.0823 | .4840 | ||

Price Paid | Cubs | 5 | 2.1740 | 1.0962 | .4903 | |

Schnucks | 5 | 2.5260 | 1.0823 | .4840 | ||

Fruits and Fruit Juices | Regular Price | Cubs | 5 | 1.7240 | .9895 | .4425 |

Schnucks | 5 | 1.6520 | 1.0619 | .4749 | ||

Price Paid | Cubs | 5 | 1.7240 | .9895 | .4425 | |

Schnucks | 5 | 2.1300 | 1.0065 | .4501 | ||

Lunch Meat | Regular Price | Cubs | 4 | 1.0400 | .3000 | .1500 |

Schnucks | 4 | 1.2900 | .5831 | .2915 | ||

Price Paid | Cubs | 4 | 1.0400 | .3000 | .1500 | |

Schnucks | 4 | 1.2900 | .5831 | .2915 | ||

Soups and Sauces | Regular Price | Cubs | 4 | .7625 | .1972 | 9.860E-02 |

Schnucks | 4 | .8225 | .2311 | .1156 | ||

Price Paid | Cubs | 4 | .7625 | .1972 | 9.860E-02 | |

Schnucks | 4 | .8225 | .2311 | .1156 | ||

Meats | Regular Price | Cubs | 2 | 2.0900 | 1.1314 | .8000 |

Schnucks | 2 | 2.2400 | 1.0607 | .7500 | ||

Price Paid | Cubs | 2 | 2.0900 | 1.1314 | .8000 | |

Schnucks | 2 | .9950 | .7000 | .4950 |

Levene's Test for Equality of Variances | t-test for Equality of Means | ||||||||
---|---|---|---|---|---|---|---|---|---|

F | Sig. | t | df | Sig. (2-tailed) | Mean Difference | Std. Error Difference | |||

Product Category | |||||||||

Dairy Products | Regular Price | Equal variances assumed | .046 | .841 | .134 | 4 | .900 | .1200 | .8950 |

Equal variances not assumed | .134 | 4.000 | .900 | .1200 | .8950 | ||||

Price Paid | Equal variances assumed | .100 | .768 | .432 | 4 | .688 | .4500 | 1.0413 | |

Equal variances not assumed | .432 | 3.968 | .688 | .4500 | 1.0413 | ||||

Beverages | Regular Price | Equal variances assumed | .230 | .642 | .070 | 10 | .946 | 9.500E-02 | 1.3665 |

Equal variances not assumed | .070 | 9.887 | .946 | 9.500E-02 | 1.3665 | ||||

Price Paid | Equal variances assumed | .122 | .735 | -.340 | 10 | .741 | -.4283 | 1.2611 | |

Equal variances not assumed | -.340 | 9.422 | .742 | -.4283 | 1.2611 | ||||

Breakfast Cereals | Regular Price | Equal variances assumed | .011 | .919 | -1.685 | 14 | .114 | -.4000 | .2374 |

Equal variances not assumed | -1.685 | 13.914 | .114 | -.4000 | .2374 | ||||

Price Paid | Equal variances assumed | .066 | .801 | -3.267 | 14 | .006 | -.7800 | .2387 | |

Equal variances not assumed | -3.267 | 13.938 | .006 | -.7800 | .2387 | ||||

Snacks and Sweets | Regular Price | Equal variances assumed | .023 | .883 | -.398 | 8 | .701 | -.2740 | .6884 |

Equal variances not assumed | -.398 | 7.999 | .701 | -.2740 | .6884 | ||||

Price Paid | Equal variances assumed | .029 | .869 | -.511 | 8 | .623 | -.3520 | .6889 | |

Equal variances not assumed | -.511 | 7.999 | .623 | -.3520 | .6889 | ||||

Fruits and Fruit Juices | Regular Price | Equal variances assumed | .138 | .720 | .111 | 8 | .914 | 7.200E-02 | .6491 |

Equal variances not assumed | .111 | 7.960 | .914 | 7.200E-02 | .6491 | ||||

Price Paid | Equal variances assumed | .048 | .831 | -.643 | 8 | .538 | -.4060 | .6312 | |

Equal variances not assumed | -.643 | 7.998 | .538 | -.4060 | .6312 | ||||

Lunch Meat | Regular Price | Equal variances assumed | 10.371 | .018 | -.762 | 6 | .475 | -.2500 | .3279 |

Equal variances not assumed | -.762 | 4.484 | .484 | -.2500 | .3279 | ||||

Price Paid | Equal variances assumed | 10.371 | .018 | -.762 | 6 | .475 | -.2500 | .3279 | |

Equal variances not assumed | -.762 | 4.484 | .484 | -.2500 | .3279 | ||||

Soups and Sauces | Regular Price | Equal variances assumed | .121 | .740 | -.395 | 6 | .707 | -6.0000E-02 | .1519 |

Equal variances not assumed | -.395 | 5.855 | .707 | -6.0000E-02 | .1519 | ||||

Price Paid | Equal variances assumed | .121 | .740 | -.395 | 6 | .707 | -6.0000E-02 | .1519 | |

Equal variances not assumed | -.395 | 5.855 | .707 | -6.0000E-02 | .1519 | ||||

Meats | Regular Price | Equal variances assumed | 22978007067400.980 | .000 | -.137 | 2 | .904 | -.1500 | 1.0966 |

Equal variances not assumed | -.137 | 1.992 | .904 | -.1500 | 1.0966 | ||||

Price Paid | Equal variances assumed | 1745685012672260.000 | .000 | 1.164 | 2 | .365 | 1.0950 | .9408 | |

Equal variances not assumed | 1.164 | 1.668 | .384 | 1.0950 | .9408 |

Store Name | N | Mean | Std. Deviation | Std. Error Mean | |
---|---|---|---|---|---|

Regular Price | Cubs | 37 | 2.2759 | 1.4443 | .2374 |

WalMart | 37 | 1.9876 | 1.2638 | .2078 | |

Price Paid | Cubs | 37 | 2.0630 | 1.3446 | .2210 |

WalMart | 37 | 1.9222 | 1.2856 | .2114 |

Levene's Test for Equality of Variances | t-test for Equality of Means | |||||||
---|---|---|---|---|---|---|---|---|

F | Sig. | t | df | Sig. (2-tailed) | Mean Difference | Std. Error Difference | ||

Regular Price | Equal variances assumed | 1.233 | .271 | .914 | 72 | .364 | .2884 | .3155 |

Equal variances not assumed | .914 | 70.754 | .364 | .2884 | .3155 | |||

Price Paid | Equal variances assumed | .011 | .915 | .460 | 72 | .647 | .1408 | .3058 |

Equal variances not assumed | .460 | 71.856 | .647 | .1408 | .3058 |

Product Category | Store Name | N | Mean | Std. Deviation | Std. Error Mean | |
---|---|---|---|---|---|---|

Dairy Products | Regular Price | Cubs | 3 | 3.6100 | 1.0923 | .6307 |

WalMart | 3 | 2.7767 | 1.1082 | .6398 | ||

Price Paid | Cubs | 3 | 3.5067 | 1.2163 | .7022 | |

WalMart | 3 | 2.7767 | 1.1082 | .6398 | ||

Beverages | Regular Price | Cubs | 6 | 3.1333 | 2.4901 | 1.0166 |

WalMart | 6 | 2.6083 | 2.1530 | .8789 | ||

Price Paid | Cubs | 6 | 2.4433 | 2.4398 | .9960 | |

WalMart | 6 | 2.6083 | 2.1530 | .8789 | ||

Breakfast Cereals | Regular Price | Cubs | 8 | 2.9138 | .4557 | .1611 |

WalMart | 8 | 2.5125 | .7576 | .2679 | ||

Price Paid | Cubs | 8 | 2.5338 | .4613 | .1631 | |

WalMart | 8 | 2.5125 | .7576 | .2679 | ||

Snacks and Sweets | Regular Price | Cubs | 5 | 2.2520 | 1.0946 | .4895 |

WalMart | 5 | 1.9720 | 1.1050 | .4942 | ||

Price Paid | Cubs | 5 | 2.1740 | 1.0962 | .4903 | |

WalMart | 5 | 1.9720 | 1.1050 | .4942 | ||

Fruits and Fruit Juices | Regular Price | Cubs | 5 | 1.7240 | .9895 | .4425 |

WalMart | 5 | 1.6680 | .9373 | .4192 | ||

Price Paid | Cubs | 5 | 1.7240 | .9895 | .4425 | |

WalMart | 5 | 1.1840 | .8606 | .3849 | ||

Lunch Meat | Regular Price | Cubs | 4 | 1.0400 | .3000 | .1500 |

WalMart | 4 | .9300 | .5000 | .2500 | ||

Price Paid | Cubs | 4 | 1.0400 | .3000 | .1500 | |

WalMart | 4 | .9300 | .5000 | .2500 | ||

Soups and Sauces | Regular Price | Cubs | 4 | .7625 | .1972 | 9.860E-02 |

WalMart | 4 | .7650 | .2042 | .1021 | ||

Price Paid | Cubs | 4 | .7625 | .1972 | 9.860E-02 | |

WalMart | 4 | .7650 | .2042 | .1021 | ||

Meats | Regular Price | Cubs | 2 | 2.0900 | 1.1314 | .8000 |

WalMart | 2 | 2.2400 | 1.0465 | .7400 | ||

Price Paid | Cubs | 2 | 2.0900 | 1.1314 | .8000 | |

WalMart | 2 | 2.2400 | 1.0465 | .7400 |

Levene's Test for Equality of Variances | t-test for Equality of Means | ||||||||
---|---|---|---|---|---|---|---|---|---|

F | Sig. | t | df | Sig. (2-tailed) | Mean Difference | Std. Error Difference | |||

Product Category | |||||||||

Dairy Products | Regular Price | Equal variances assumed | .006 | .940 | .928 | 4 | .406 | .8333 | .8984 |

Equal variances not assumed | .928 | 3.999 | .406 | .8333 | .8984 | ||||

Price Paid | Equal variances assumed | .054 | .828 | .768 | 4 | .485 | .7300 | .9500 | |

Equal variances not assumed | .768 | 3.966 | .485 | .7300 | .9500 | ||||

Beverages | Regular Price | Equal variances assumed | .266 | .617 | .391 | 10 | .704 | .5250 | 1.3439 |

Equal variances not assumed | .391 | 9.796 | .704 | .5250 | 1.3439 | ||||

Price Paid | Equal variances assumed | .025 | .877 | -.124 | 10 | .904 | -.1650 | 1.3284 | |

Equal variances not assumed | -.124 | 9.848 | .904 | -.1650 | 1.3284 | ||||

Breakfast Cereals | Regular Price | Equal variances assumed | .284 | .603 | 1.284 | 14 | .220 | .4012 | .3126 |

Equal variances not assumed | 1.284 | 11.478 | .225 | .4012 | .3126 | ||||

Price Paid | Equal variances assumed | .195 | .665 | .068 | 14 | .947 | 2.125E-02 | .3136 | |

Equal variances not assumed | .068 | 11.563 | .947 | 2.125E-02 | .3136 | ||||

Snacks and Sweets | Regular Price | Equal variances assumed | .003 | .959 | .403 | 8 | .698 | .2800 | .6956 |

Equal variances not assumed | .403 | 7.999 | .698 | .2800 | .6956 | ||||

Price Paid | Equal variances assumed | .001 | .973 | .290 | 8 | .779 | .2020 | .6961 | |

Equal variances not assumed | .290 | 7.999 | .779 | .2020 | .6961 | ||||

Fruits and Fruit Juices | Regular Price | Equal variances assumed | .006 | .939 | .092 | 8 | .929 | 5.600E-02 | .6095 |

Equal variances not assumed | .092 | 7.977 | .929 | 5.600E-02 | .6095 | ||||

Price Paid | Equal variances assumed | .075 | .792 | .921 | 8 | .384 | .5400 | .5865 | |

Equal variances not assumed | .921 | 7.849 | .385 | .5400 | .5865 | ||||

Lunch Meat | Regular Price | Equal variances assumed | 1.059 | .343 | .377 | 6 | .719 | .1100 | .2915 |

Equal variances not assumed | .377 | 4.912 | .722 | .1100 | .2915 | ||||

Price Paid | Equal variances assumed | 1.059 | .343 | .377 | 6 | .719 | .1100 | .2915 | |

Equal variances not assumed | .377 | 4.912 | .722 | .1100 | .2915 | ||||

Soups and Sauces | Regular Price | Equal variances assumed | .004 | .955 | -.018 | 6 | .987 | -2.5000E-03 | .1419 |

Equal variances not assumed | -.018 | 5.993 | .987 | -2.5000E-03 | .1419 | ||||

Price Paid | Equal variances assumed | .004 | .955 | -.018 | 6 | .987 | -2.5000E-03 | .1419 | |

Equal variances not assumed | -.018 | 5.993 | .987 | -2.5000E-03 | .1419 | ||||

Meats | Regular Price | Equal variances assumed | 67556743301479.700 | .000 | -.138 | 2 | .903 | -.1500 | 1.0898 |

Equal variances not assumed | -.138 | 1.988 | .903 | -.1500 | 1.0898 | ||||

Price Paid | Equal variances assumed | 67556743301479.700 | .000 | -.138 | 2 | .903 | -.1500 | 1.0898 | |

Equal variances not assumed | -.138 | 1.988 | .903 | -.1500 | 1.0898 |