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Author Question: Suppose that for a sample of 65 observations from a population of 500, the sample mean is 25.6 and ... (Read 60 times)

jparksx

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on: Jun 24, 2018
Suppose that for a sample of 65 observations from a population of 500, the sample mean is 25.6 and the sample standard deviation is 2.8. Create a 90 confidence interval for the population mean.
 
  A) 25.6  0.318
  B) 25.6  0.415
  C) 25.6  0.467
  D) 25.6  0.533

Question 2

The value of the variation explained by the regression line can never be smaller than 0.0.
 
  Indicate whether the statement is true or false


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kescobar@64

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

D

Answer to Question 2

TRUE


jparksx

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Reply 2 on: Jun 24, 2018
Gracias!

nathang24

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Reply 3 on: Yesterday
Wow, this really help

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