An instructor administers a 27 -item quiz to her class of 25 students. Each student's score on the quiz is the number of items answered correctly. These scores are listed below:

a. Construct a grouped frequency distribution table of these data, following the guidelines presented in this chapter.

b. What level of measurement is this variable?

c. Construct an appropriate figure for these data.

d. How would you describe the shape of the distribution in terms of its symmetry?

e. How would you characterize the students' performance? Did they do well or poorly? Would you say the quiz was easy or hard?

Transcribed Image Text:

Person Quiz Score 1 22 2 15 3 11 4 19 5 12 6 21 7 22 8 19 9 23 10 17 11 18 12 14 13 10 14 6 15 16 16 20 17 21 18 19 19 20 20 21 21 17 22 18 23 15 24 24 25 25 22