I am not familiar with R software, so please use other methods. Excel works.

24. Twenty-eight applicants interested in working for the Food Stamp program took an examination designed to measure their aptitude for social work. A stem-and-leaf plot of the 28 scores appears below, where the first column is the count per branch, the second column is the stem value, and the remaining digits are the leaves.

What is the value of the first quartile?

Q1 = ______________

What is the value of the third quartile?

Q3 = ______________

What is the interquartile range?

IQR = ______________

Find the inner fences.

______________

Find the outer fences.

______________

Construct a boxplot for this data.

Does the boxplot indicate the presence of any outliers?