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Author Question: Whenever using the t distribution for interval estimation (when the sample size is very small), we ... (Read 83 times)

Alainaaa8

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on: Jun 24, 2018
Whenever using the t distribution for interval estimation (when the sample size is very small), we must assume that
 a. the sample has a mean of at least 30
  b. the sampling distribution is not normal
  c. the population is approximately normal
  d. the finite population correction factor is necessary

Question 2

In determining the sample size necessary to estimate a population proportion, which of the following information is not needed?
 a. the maximum margin of error that can be tolerated
  b. the confidence level required
  c. a preliminary estimate of the true population proportion P
  d. the mean of the population


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Meganchabluk

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

C

Answer to Question 2

D


Alainaaa8

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

upturnedfurball

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Reply 3 on: Yesterday
Gracias!

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