Author Question: The sample size needed to estimate a population mean within 2 units with a 95 confidence when the ... (Read 89 times)

cartlidgeashley

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The sample size needed to estimate a population mean within 2 units with a 95 confidence when the population standard deviation equals 8 is
 a. 62
  b. 61
  c. 8
  d. None of these choices.

Question 2

An adverse effect of multicollinearity is that the estimated regression coefficients of the independent variables that are correlated tend to have large sampling ___________________ _.
 Fill in the blank(s) with correct word



wuly

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Answer to Question 1

A

Answer to Question 2

errors



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