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smaller standard deviation?

smaller standard deviation?

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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Judging from what you know about standard deviation, which graph has the smaller standard deviation? Neither; the standard deviations of the two graphs are equal Graph I Graph II This implies that the shorter questionnaire will be (Equal to/Worse than/Better than) the longer questionnaire at detecting differences before and after the intervention.
Transcribed Image Text:Judging from what you know about standard deviation, which graph has the smaller standard deviation? Neither; the standard deviations of the two graphs are equal Graph I Graph II This implies that the shorter questionnaire will be (Equal to/Worse than/Better than) the longer questionnaire at detecting differences before and after the intervention.
Graph I Graph II PARTICIPANTS PARTICIPANTS 8. 7 5 5 4 4 3 2 2 1 1 1 4 1 2 LONG QUESTIONNAIRE SCORE SHORT QUESTIONNAIRE SCORE Complete the following sentences by trusting your eyes to see meaningful differences in the two graphs. The mean for Graph I is the mean for Graph II. The range for Graph I is the range for Graph II. Judging from what you know about standard deviation, which graph has the smaller standard deviation?
Transcribed Image Text:Graph I Graph II PARTICIPANTS PARTICIPANTS 8. 7 5 5 4 4 3 2 2 1 1 1 4 1 2 LONG QUESTIONNAIRE SCORE SHORT QUESTIONNAIRE SCORE Complete the following sentences by trusting your eyes to see meaningful differences in the two graphs. The mean for Graph I is the mean for Graph II. The range for Graph I is the range for Graph II. Judging from what you know about standard deviation, which graph has the smaller standard deviation?
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