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4. The scores in an IQ test for 60 candidates are shown in the table a) Find the mean score and the standard deviation. b) Find the mode. c) Construct a cumulative relative frequency graph. d) Find an estimate of the median score. e) Find the range of the middle 50% of the observations.

4. The scores in an IQ test for 60 candidates are shown in the table a) Find the mean score and the standard deviation. b) Find the mode. c) Construct a cumulative relative frequency graph. d) Find an estimate of the median score. e) Find the range of the middle 50% of the observations.

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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4. The scores in an IQ test for 60 candidates are shown in the table. a) Find the mean score and the standard deviation. b) Find the mode. c) Construct a cumulative relative frequency graph. d) Find an estimate of the median score. e) Find the range of the middle 50% of the observations. Score Frequency 100 < x < 106 8. 106 <x < 112 13 112 < x < 118 118 < x < 124 24 11 124 < x < 130 4
Transcribed Image Text:4. The scores in an IQ test for 60 candidates are shown in the table. a) Find the mean score and the standard deviation. b) Find the mode. c) Construct a cumulative relative frequency graph. d) Find an estimate of the median score. e) Find the range of the middle 50% of the observations. Score Frequency 100 < x < 106 8. 106 <x < 112 13 112 < x < 118 118 < x < 124 24 11 124 < x < 130 4
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