The following frequency table shows the test score distribution for a random sample of 25 students in an introductory statistics class. Score Realtive Frequency 30-40 .08 41-51 .04 52-62 .12 63-73 .24 74-84 .2 85-95 .32 Determine the midpoints of the classes and use them to compute the average test score for the sample.

The following frequency table shows the test score distribution for a random sample of 25 students in an introductory statistics class. Score Realtive Frequency 30-40 .08 41-51 .04 52-62 .12 63-73 .24 74-84 .2 85-95 .32 Determine the midpoints of the classes and use them to compute the average test score for the sample.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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Question

The following frequency table shows the test score distribution for a random sample
of 25 students in an introductory statistics class.

Score Realtive Frequency

30-40 .08

41-51 .04

52-62 .12

63-73 .24

74-84 .2

85-95 .32

Determine the midpoints of the classes and use them to compute the average test
score for the sample.

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