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2.1 Exercise 19

Avg difficulty 2.5

We will construct an overlay frequency polygon comparing the scores from the example with the students’ final test scores in algebra.

Frequency Distribution for Algebra Final Test Scores
Lower Bound Upper Bound Frequency Cumulative Frequency
49.5 59.5 10 10
59.5 69.5 5 15
69.5 79.5 40 55
79.5 89.5 35 90
89.5 99.5 10 100

OpenStax Introductory Business Statistics 2e, 2.1 Display Data, exercise 19

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Adapted from Introductory Business Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Business Statistics 2e. Imported at revision 50ec917.