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Author Question: Construct a 95 confidence interval for p1 - p2. The sample statistics listed below are from ... (Read 72 times)

jon_i

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on: Jul 24, 2018
Construct a 95 confidence interval for p1 - p2. The sample statistics listed below are from independent samples. Sample statistics: n1 = 50, x1 = 35, and n2 = 60, x2 = 40
 
  A) (-0.141, 0.208 ) B) (-0.871, 0.872 ) C) (-1.341, 1.781 ) D) (-2.391, 3.112 )

Question 2

Which of the following is not a characteristic of Students t-distribution?
 
  A) mean of 1
  B) symmetric distribution
  C) depends on degrees of freedom.
  D) For large samples, the t and z distributions are nearly equivalent.


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blakcmamba

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

A

Answer to Question 2

A


jon_i

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Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

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