Assuming that the population mean is 47.2 and the population deviation is 6.4, what is the zobt ...

Author Question: Assuming that the population mean is 47.2 and the population deviation is 6.4, what is the zobt ... (Read 48 times)

Mollykgkg

Hero Member
Posts: 529

on: Jun 19, 2018

Assuming that the population mean is 47.2 and the population deviation is 6.4, what is the zobt value for a sample mean of 52.1 if N = 8?

a. 1.96 c. 1.73
b. 2.17 d. 0.77

Question 2

The critical value of the statistic _________.

a. is independent of alpha
b. is equal to alpha
c. is always the same in the z distribution
d. depends on alpha

cat123

Sr. Member
Posts: 310

Reply #1 on: Jun 19, 2018

Answer to Question 1

B

Answer to Question 2

D

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