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

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

a. Construct a groupedfrequency distributiontable of these data, following the guidelines given in the Resources on Grouped Frequency Distributions page in this module.

b. What level of measurement is the variable?

c. Indicate what kinds of graphs would be appropriate for these data.

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

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Student Quiz score 22 2 15 3 11 19 5 12 21 22 19 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 22

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