[Answered] The variance of a sample of 81 observations is 64 . The standard deviation of the sample is which of ...

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Author Question: The variance of a sample of 81 observations is 64 . The standard deviation of the sample is which of ... (Read 90 times)

amal

Hero Member
Posts: 572

on: Aug 1, 2018

The variance of a sample of 81 observations is 64 . The standard deviation of the sample is which of the following?
a. 9
b. 4,096
c. 8
d. 6,561

Question 2

In a one-tail test, the p-value is found to be equal to 0.068 . If the test had been two-tail, the p-value would have been:
a. 0.932
b. 0.466
c. 0.034
d. 0.136

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Briannahope

Sr. Member
Posts: 364

Reply #1 on: Aug 1, 2018

Answer to Question 1

c

Answer to Question 2

D

amal

Hero Member
Posts: 572

Reply #2 on: Aug 1, 2018

Thanks

Briannahope

Sr. Member
Posts: 364

Reply #3 on: Aug 1, 2018

Welcome

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