9. The data below are the passing scores on an Algebra exam in one class. For this question, round all answers to the nearest tenth, as needed. (15 points) 60 68 88 76 60 92 92 92 88 60 68 92 88

92 64 60 76 64 92 88 76 60 60 64 60 88

76 64

Construct the frequency table by using five classes.

Class Limit

f

Class Midpoint

Cumulative Frequency

Class Boundary

(a) Create a frequency polygon to represent the above data. (b) Create an ogive to represent the above data.