If random samples, each with n = 9 scores, are selected from a normal population with µ = 80 and σ = 36, then what is the expected value of the mean of the distribution of sample means? a. 80 b. 4 c. 16 d. 12
If random samples, each with n = 9 scores, are selected from a normal population with µ = 80 and σ = 36, then what is the expected value of the mean of the distribution of sample means? a. 80 b. 4 c. 16 d. 12
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 12E
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Question
If random samples, each with n = 9 scores, are selected from a normal population with µ = 80 and σ = 36, then what is the expected value of the mean of the distribution of sample means?
a. |
80
|
|
b. |
4
|
|
c. |
16
|
|
d. |
12
|
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