Answer
The mean and median for few random samples generated of size 20, 40 and 80 are calculated as follows:
Work Step by Step
To calculate the mean and the median, follow the steps given below in Minitab.
Step 1: Enter the data in the Minitab worksheet.
Step 2: Go to Stat and select the basic statistics, and then display the descriptive statistics.
Step 3: Enter C1–C80 in the column of variables.
Step 4: Choose the options for the mean and median.
Step 5: Click on Ok.
Now, copy these values in column e20mn and e20med.
Similarly, obtain the mean and the median for the sample sizes 40 and 80.
