1. Enter the data range in the Input range box
Check Population variance and standard deviation
Click on Descriptive Statistics
Click on MegaStat
Click OK
Chart 4-3: Excel Variance & Standard Deviation of Population in Megastat

2. Chart 4-8: Minitab Box Plot I
Double click on C1 to input C1 in the first row under column Y
Enter the data in column C1
Click on Box Plot
Click OK
Click on Graph
Chart 4-8: Minitab Box Plot I

3. Chart 4-9: Minitab Box Plot II
Enter Graph in each of the corresponding “For each” column
Enter IQ Range and Outlier symbol in the Display column
Click Overlay graphs on the same page
Click OK
Click OK
Click on Frame, Multiple Graphs
Enter the columns containing the data sets (C1, C2, …) in column Y
Click Box Plot
Enter the data sets in columns C1, C2, …
Click on Graph
Chart 4-9: Minitab Box Plot II