T-Test

Paired Samples Statistics

Mean N Std. Deviation Std. Error Mean
Pair 1 Regular Price 2.2759 37 1.4443 .2374
Price Paid 2.0630 37 1.3446 .2210

Paired Samples Correlations

N Correlation Sig.
Pair 1 Regular Price & Price Paid 37 .923 .000







Paired Samples Test

Paired Differences t df Sig. (2-tailed)
Mean Std. Deviation Std. Error Mean 95% Confidence Interval of the Difference
Lower Upper
Pair 1 Regular Price - Price Paid .2130 .5560 9.141E-02 2.758E-02 .3984 2.330 36 .026

T-Test

Warnings
No statistics are computed for a split file in the Paired Samples Correlations table. The split file is: Product Category=Fruits and Fruit Juices.
No statistics are computed for a split file in the Paired Samples Test table. The split file is: Product Category=Fruits and Fruit Juices.
No statistics are computed for a split file in the Paired Samples Correlations table. The split file is: Product Category=Lunch Meat.
No statistics are computed for a split file in the Paired Samples Test table. The split file is: Product Category=Lunch Meat.
No statistics are computed for a split file in the Paired Samples Correlations table. The split file is: Product Category=Soups and Sauces.
No statistics are computed for a split file in the Paired Samples Test table. The split file is: Product Category=Soups and Sauces.
No statistics are computed for a split file in the Paired Samples Correlations table. The split file is: Product Category=Meats.
No statistics are computed for a split file in the Paired Samples Test table. The split file is: Product Category=Meats.

Paired Samples Statistics
Product Category Mean N Std. Deviation Std. Error Mean
Dairy Products Pair 1 Regular Price 3.6100 3 1.0923 .6307
Price Paid 3.5067 3 1.2163 .7022
Beverages Pair 1 Regular Price 3.1333 6 2.4901 1.0166
Price Paid 2.4433 6 2.4398 .9960
Breakfast Cereals Pair 1 Regular Price 2.9138 8 .4557 .1611
Price Paid 2.5338 8 .4613 .1631
Snacks and Sweets Pair 1 Regular Price 2.2520 5 1.0946 .4895
Price Paid 2.1740 5 1.0962 .4903
Fruits and Fruit Juices Pair 1 Regular Price 1.7240 5 .9895 .4425
Price Paid 1.7240 5 .9895 .4425
Lunch Meat Pair 1 Regular Price 1.0400 4 .3000 .1500
Price Paid 1.0400 4 .3000 .1500
Soups and Sauces Pair 1 Regular Price .7625 4 .1972 9.860E-02
Price Paid .7625 4 .1972 9.860E-02
Meats Pair 1 Regular Price 2.0900 2 1.1314 .8000
Price Paid 2.0900 2 1.1314 .8000

Paired Samples Correlations
Product Category N Correlation Sig.
Dairy Products Pair 1 Regular Price & Price Paid 3 .994 .071
Beverages Pair 1 Regular Price & Price Paid 6 .909 .012
Breakfast Cereals Pair 1 Regular Price & Price Paid 8 -.019 .965
Snacks and Sweets Pair 1 Regular Price & Price Paid 5 .987 .002










Paired Samples Test

Paired Differences t df Sig. (2-tailed)
Mean Std. Deviation Std. Error Mean 95% Confidence Interval of the Difference
Product Category Lower Upper
Dairy Products Pair 1 Regular Price - Price Paid .1033 .1790 .1033 -.3413 .5479 1.000 2 .423
Beverages Pair 1 Regular Price - Price Paid .6900 1.0536 .4301 -.4156 1.7956 1.604 5 .170
Breakfast Cereals Pair 1 Regular Price - Price Paid .3800 .6545 .2314 -.1671 .9271 1.642 7 .145
Snacks and Sweets Pair 1 Regular Price - Price Paid 7.800E-02 .1744 7.800E-02 -.1386 .2946 1.000 4 .374