Exercises

Use the table SASHELP.CLASS.

A. Answer the following questions:

1. What is the average age of students enrolled in this class?

2. What is the maximum height?

3. What is the maximum height for the girls?

4. What is the median weight for the boys?

5. What can we say about the hypothesis that the average height of the girls is equal to 62.5?

6. How many girls with height greater than 62.5 are enrolled in this class?

B. Construct the following graphs:

1. A histogram for each numerical variable;

2. A boxplot for each numerical variable;

3. A boxplot for the values of height separated for girls and boys.

4. A boxplot for weight separated by age.