# Minitab Notes for Activity 4

## Creating the Worksheet (Question 9)

You will be entering your own information for this activity.

1. Label an empty column as "average"
2. Enter the individual averages collected from the class into the "average" column.

## Summarizing the Data (Question 9)

1. Choose Stat / Basic Statistics / Display Descriptive Statistics
2. Double click on the variable "average"
3. Click on Statistics and check the boxes you need: mean, variance, and standard deviation
4. Click OK

## Histogram (Question 10)

1. Choose Graph / Histogram / With Fit
2. The Graph Variable is "average"
3. Click OK

## Normal Probability Plot (Question 11)

1. Choose Graph / Probability Plot / Single
2. The Graph Variable is "average"
3. Click OK

## One Sample T-Test (Question 13)

1. Choose Stat / Basic Statistics / 1 Sample T
2. The samples are in the "average" column
3. Check the box for "Perform hypothesis test"
4. The hypothesized mean is the value the mean of the sample means is supposed to be from the Central Limit Theorem.