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Author Question: Which of the following would have no effect on the width of a confidence interval? a. Increase ... (Read 52 times)

rachel9

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on: Jun 20, 2018
Which of the following would have no effect on the width of a confidence interval?
 
  a. Increase the sample mean c. Increase the percentage of confidence
  b. Increase the size of the sample d. Increase the sample variance

Question 2

Which combination of factors would definitely increase the width of a confidence interval?
 
  a. Increase the sample mean and increase the sample size
  b. Decrease the sample mean and increase the sample size
  c. Increase the sample mean and increase the percentage of confidence
  d. Decrease the sample mean and decrease the percentage of confidence


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angrybirds13579

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

A

Answer to Question 2

C


rachel9

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Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

sultansheikh

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Reply 3 on: Yesterday
Excellent

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