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Author Question: The expected value of the sampling distribution of the sample mean equals the population mean : a. ... (Read 186 times)

ahriuashd

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on: Jun 24, 2018
The expected value of the sampling distribution of the sample mean equals the population mean  :
 a. only when the population is normally distributed.
  b. only when the sample size is large.
  c. only when the population is infinite.
  d. for all populations.

Question 2

A store manager gives a pre-employment examination to new employees. The test is scored from 1 to 100 . He has data on their sales at the end of one year measured in dollars. He wants to know if there is any linear relationship between pre-employment examination score and sales. An appropriate test to use is the t-test of the population correlation coefficient.
  Indicate whether the statement is true or false


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coreycathey

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Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

T


ahriuashd

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Reply 2 on: Jun 24, 2018
Wow, this really help

fatboyy09

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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