A. The following data represents the scores of a statistics exam 77, 16, 21, 49, 76, 44, 72, 85, 76, 57, 57, 78, 34, 74, 43, 28, 16, 21, 33, 39, 40, 56, 71, 75, 38, 36

1. Create a frequency table. Determine the number of classes and class width.
2. Draw a relative frequency histogram from the information in part (1). The use of a grid is mandatory.
3. Determine and enter the mean, five-number summary, range, and IQR for the data. Mean Range Min Q1 Median Q3 Max IQR
4. Draw a box plot from the information in part (3) the use of a grid is mandatory.
5. Identify any outliers
6. Describe the shape distribution of both the relative frequency histogram and the boxplot.
7. What can you conclude about the data?

B. Patients who receive cortisone drug therapy, experience decrease of Adrenocorticotropic hormone (ACTH) secretion and degrading (shrinking) of adrenal glands. In your words, explain, why patients experience these changes?