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Author Question: The confidence intervals for two separate samples would be expected to differ because a. the ... (Read 66 times)

LaDunn

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on: Jun 20, 2018
The confidence intervals for two separate samples would be expected to differ because
 
  a. the sample means differ.
  b. the sample standard deviations differ.
  c. the sample sizes differ.
  d. all of the above

Question 2

The t distribution
 
  a. is smoother than the normal distribution.
  b. is quite different from the normal distribution.
  c. approaches the normal distribution as its degrees of freedom increase.
  d. is necessary when we know the population standard deviation.


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chloejackso

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Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

C


LaDunn

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Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

bassamabas

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Reply 3 on: Yesterday
Excellent

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