Identify the symbols used for each of the following: (a) sample standard deviation; (b) population standard deviation; (c) sample variance; (d) population variance. If sample data consist of weights measured in grams, what units are used for these statistics and parameters?
Identify the symbols used for each of the following: (a) sample standard deviation; (b) population standard deviation; (c) sample variance; (d) population variance. If sample data consist of weights measured in grams, what units are used for these statistics and parameters?
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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Identify the symbols used for each of the following: (a) sample standard deviation; (b) population standard deviation; (c) sample variance; (d) population variance. If sample data consist of weights measured in grams, what units are used for these statistics and parameters?
a. The symbol for sample standard deviation is
▼
s squared .s2.
sigma squared .σ2.
s.s.
sigma .σ.
b. The symbol for population standard deviation is
▼
s squared .s2.
sigma .σ.
sigma squared .σ2.
s.s.
c. The symbol for sample variance is
▼
s squared .s2.
s.s.
sigma squared .σ2.
sigma .σ.
d. The symbol for population variance is
▼
sigma .σ.
s.s.
s squared .s2.
sigma squared .σ2.
If sample data consist of weights measured in grams, then correctly complete the following sentences.
a. The unit for sample standard deviation would be
▼
StartRoot g EndRoot .g.
g squared .g2.
g cubed .g3.
g.g.
b. The unit for population standard deviation would be
▼
g cubed .g3.
g squared .g2.
g.g.
StartRoot g EndRoot .g.
c. The unit for sample variance would be
▼
g squared .g2.
g.g.
g cubed .g3.
StartRoot g EndRoot .g.
d. The unit for population variance would be
▼
g cubed .g3.
StartRoot g EndRoot .g.
g squared .g2.
g.
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