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45. For this frequency distribution of exam scores: f How many students had scores lower than X = 85? 90-94 6. а. 8 85-89 8. b. 35 80-84 10 c. 27 75-79 12 d. Cannot be determined 70-74

45. For this frequency distribution of exam scores: f How many students had scores lower than X = 85? 90-94 6. а. 8 85-89 8. b. 35 80-84 10 c. 27 75-79 12 d. Cannot be determined 70-74

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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45. For this frequency distribution of exam scores: f How many students had scores lower than X = 85? 90-94 а. 8 85-89 8 b. 35 80-84 10 C. 27 75-79 12 d. Cannot be determined 70-74
Transcribed Image Text:45. For this frequency distribution of exam scores: f How many students had scores lower than X = 85? 90-94 а. 8 85-89 8 b. 35 80-84 10 C. 27 75-79 12 d. Cannot be determined 70-74
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