Following are reported the number of times 25 residents of a community for senior citizens left their homes for any reason during the past week.

0 2 17 3 7 0 2 3 17 14 15 5 0 7 5 21 4 7 6 2 0 10 5 7

a. Construct a frequency distribution to display these data.

b. What are the midpoints of the class intervals?

c. Add columns to the table to display the percentage distribution, cumulative frequency, and cumulative percentages.

GER SOC 2This problem is optional.

Construct frequency distributions for the pretest and posttest scores. Include a column for percentages.

(HINT: There were 20 items on the test, so the maximum range for these scores is 20. If you use 10 class in-

d.3 Find the real limits for the intervals you selected.

e. Construct a histogram and a frequency polygon to display this distribution.

f. Write a paragraph summarizing this distribution of scores.