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Author Question: The sample size needed to estimate a population mean to within 50 units was found to be 97 . If the ... (Read 107 times)

2125004343

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on: Jun 24, 2018
The sample size needed to estimate a population mean to within 50 units was found to be 97 . If the population standard deviation was 250, then the confidence level used was
 a. 90
  b. 95
  c. 99
  d. None of these choices.

Question 2

There are several clues to the presence of multicollinearity. One clue is when a regression coefficient exhibits the wrong ___________________ _.
 Fill in the blank(s) with correct word


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heinisk01

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

B

Answer to Question 2

sign


2125004343

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

xthemafja

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

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