2.5 8.7 *** 9.6 O 9.5 O 2.7 4.6 O 0.5 *** 6.4 5.1 6.0 9.9 10.0 10.3 10.5 *** Consider the sample of n = 20 scores. Notice that they are listed in order from 2.5 to 12.0, but that some of the scores are obscured by ***. The mean, M, of these scores is 8.0. 6.5 Suppose you are asked for the sample standard deviation of these scores. Since you don't have all of them, you cannot calculate it. Which of the following is the best estimate of the sample standard deviation? *** 6.6 8.5 11.6 12.0
2.5 8.7 *** 9.6 O 9.5 O 2.7 4.6 O 0.5 *** 6.4 5.1 6.0 9.9 10.0 10.3 10.5 *** Consider the sample of n = 20 scores. Notice that they are listed in order from 2.5 to 12.0, but that some of the scores are obscured by ***. The mean, M, of these scores is 8.0. 6.5 Suppose you are asked for the sample standard deviation of these scores. Since you don't have all of them, you cannot calculate it. Which of the following is the best estimate of the sample standard deviation? *** 6.6 8.5 11.6 12.0
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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Transcribed Image Text:9. Estimating the standard deviation or variance
2.5
8.7
***
9.6
O 9.5
O 2.7
4.6 5.1
O 0.5
***
O 6.4
***
6.0
*** 6.5 6.6
9.9 10.0 10.3 10.5
***
Consider the sample of n = 20 scores. Notice that they are listed in order from 2.5 to 12.0, but that some of the scores are obscured by ***. The
mean, M, of these scores is 8.0.
11.6
Suppose you are asked for the sample standard deviation of these scores. Since you don't have all of them, you cannot calculate it. Which of the
following is the best estimate of the sample standard deviation?
8.5
12.0
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