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Author Question: The following sample was taken from a normally distributed population: 20, 27, 15, 20, 16, 22, and ... (Read 57 times)

mynx

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on: Jun 24, 2018
The following sample was taken from a normally distributed population: 20, 27, 15, 20, 16, 22, and 13. A 95 confidence interval for the population mean using this sample is:
 
  A) 19  5.603
  B) 19  2.201
  C) 19  8.804
  D) 19  4.402

Question 2

The 30th percentile, P30, is a value such that at most 30 of the data are smaller in value than P30 and at most 70 of the data are larger.
 
  Indicate whether the statement is true or false


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k.lashomb

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

D

Answer to Question 2

TRUE


mynx

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

recede

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Reply 3 on: Yesterday
Wow, this really help

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