21. For the following population of N = 6 scores: 2, 9, 6, 8, 9, 8 a. Calculate the range and the standard deviation. (Use either definition for the range.) b. Add 2 points to each score and compute the range and standard deviation again. Describe how adding a constant to each score influences measures of variability.
21. For the following population of N = 6 scores: 2, 9, 6, 8, 9, 8 a. Calculate the range and the standard deviation. (Use either definition for the range.) b. Add 2 points to each score and compute the range and standard deviation again. Describe how adding a constant to each score influences measures of variability.
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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I need help with #21
Transcribed Image Text:ith the values you obtained in part a,
make the correction for having multiplied by 2 to
obtain the values for the mean and standard devia-
tion for the original sample.
Bun
a. C
b. Is
th
21. For the following population of N = 6 scores: 2, 9, 6,
8, 9, 8
a. Calculate the range and the standard deviation. (Use
either definition for the range.)
b. Add 2 points to each score and
and standard deviation again. Describe how adding
25. A pop
devia
a. W
compute
the
range
va
b. If
of
a constant to each score influences measures of
variability.
26. On an
22. The range is completely determined by the two ex-
treme scores in a distribution. The standard deviation,
on the other hand, uses every score
of X =
a. We
loci
b. If y
a. Compute the range (choose either definition), the
Variance, and the standard deviation for the follow
4 scores. Note that there are two
unhuten and
or s
ing sample of n
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