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Author Question: The simple random sample is a subset of a frame, or of an associated population, chosen in such a ... (Read 80 times)

ETearle

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The simple random sample is a subset of a frame, or of an associated population, chosen in such a fashion that every possible subset of like size has an equal chance of being selected.
  Indicate whether the statement is true or false

Question 2

For a sample of size 20 taken from a normally distributed population with standard deviation equal to 5, a 90 confidence interval for the population mean would require the use of:
 a. t = 1.328
  b. t = 1.729
  c. z = 1.96
  d. z = 1.645
  e. z = 2.58



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xiaomengxian

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Answer to Question 1

T

Answer to Question 2

D




ETearle

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


momolu

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

 

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