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Author Question: In developing an interval estimate for a population mean, the population standard deviation was ... (Read 87 times)

c0205847

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on: Jun 24, 2018
In developing an interval estimate for a population mean, the population standard deviation  was assumed to be 10 . The interval estimate was 50.92  2.14 . Had  equaled 20, the interval estimate would be
 a. 60.92  2.14
  b. 50.92  12.14
  c. 101.84  4.28
  d. 50.92  4.28

Question 2

A multiple regression analysis involving three independent variables and 25 data points results in a value of 0.769 for the unadjusted coefficient of determination. Then, the adjusted coefficient of determination is:
 a. 0.385 c. 0.591
  b. 0.877 d. 0.736


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lindahyatt42

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

D

Answer to Question 2

D


c0205847

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

marict

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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