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Author Question: Regression, as a general method, is so versatile, through transformations and special cases, that it ... (Read 124 times)

kfurse

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on: Jun 29, 2018
Regression, as a general method, is so versatile, through transformations and special cases, that it can never be overused.
 
 Indicate whether the statement is true or false

Question 2

If the population mean is expected to be 85 and the sample mean is 80, the sample standard deviation is 20, and the sample consists of 100 consumers, the observed value of the Z-statistic is approximately _____.
 a. 2.50
  b. -10.00
  c. -2.50
  d. -0.25


coreycathey

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Reply #1 on: Jun 29, 2018
Answer to Question 1

F
Regression can be overused, so researchers should use direct, visual reality checks that allow gross errors to be detected.

Answer to Question 2

C


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