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Author Question: Approximate the percentage of these Internet users who are in the 58-71 age ... (Read 170 times)

notis

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on: Jun 24, 2018
Approximate the percentage of these Internet users who are in the 58-71 age group.

Question 2

If the standard error of estimate is zero, then:
 a. the coefficient of determination must be 1.0.
  b. all the points fall on the regression line.
  c. there is no unexplained variation left.
  d. All of these choices are true.


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johnharpe

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

Approximately 9

Answer to Question 2

D


notis

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

nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

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