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Author Question: The appropriate test to use for comparing a single sample mean to the population mean is _____. ... (Read 61 times)

123654777

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on: Jun 19, 2018
The appropriate test to use for comparing a single sample mean to the population mean is _____.
 
  a. Cohen's d c. the z test
  b. t test for independent groups d. the standard error of the mean

Question 2

The variance of the sampling distribution of the mean is _____ the variance each of the samples.
 
  a. less than c. equal to
  b. more than d. none of these


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fraziera112

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Reply #1 on: Jun 19, 2018
Answer to Question 1

C
The z test can be used once the sample mean has been converted to a standard score.

Answer to Question 2

A
The variance is lower in the sampling distribution of the mean because it is comprised of means, which are measures of the centers of the distributions they represent.


123654777

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Reply 2 on: Jun 19, 2018
YES! Correct, THANKS for helping me on my review

nguyenhoanhat

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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