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Estimating a Mean: Consider the frequency distribution for 17 test scores (it was a difficult exam). Score Frequency 60-64 8 65 - 69 4 70-74 2 1 2 75 - 79 80-84 The class midpoint for the third class is The class midpoint for the fourth class is Use the frequency table to estimate the mean score. x=

Estimating a Mean: Consider the frequency distribution for 17 test scores (it was a difficult exam). Score Frequency 60-64 8 65 - 69 4 70-74 2 1 2 75 - 79 80-84 The class midpoint for the third class is The class midpoint for the fourth class is Use the frequency table to estimate the mean score. x=

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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please answer question 9

QUESTION 9 Estimating a Mean: Consider the frequency distribution for 17 test scores (it was a difficult exam). Score Frequency 60 - 64 8 65 - 69 4 70 - 74 75 - 79 80-84 NAN 2 1 2 The class midpoint for the third class is The class midpoint for the fourth class is Use the frequency table to estimate the mean score. x =
Transcribed Image Text:QUESTION 9 Estimating a Mean: Consider the frequency distribution for 17 test scores (it was a difficult exam). Score Frequency 60 - 64 8 65 - 69 4 70 - 74 75 - 79 80-84 NAN 2 1 2 The class midpoint for the third class is The class midpoint for the fourth class is Use the frequency table to estimate the mean score. x =
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Score Frequency
60-64 8
65-69 4
70-74 2
75-79 1
80-84 2
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