The following data shows final exam marks in a math course U

The following data shows final exam marks in a math course. Use MINITAB to answer the questions:

32 44 85 88 15 52 100 70 91 84 78 46 81 92 54 54 38 70 52 58 26 62 84 65

1) Enter data in MINITAB and call the variable name Y.

2) Use MINITAB program to find the descriptive statistics. Describe the shape of the distribution of the data (use quartile differences)

3) Is there evidence that the mean is less than 70? (use MINITAB, testing approach, alpha =0.1). From MINITAB, type your name on the output file and print the results (page 1)

4) Find the 95% CI for the mean. From MINITAB, type your name on the output file and print the results (page 2)

Solution