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Author Question: If you are sampling from a very large population, a doubling of the sample size will reduce the ... (Read 160 times)

gbarreiro

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on: Jun 24, 2018
If you are sampling from a very large population, a doubling of the sample size will reduce the standard error of the sampling distribution by one-fourth.
 
  Indicate whether the statement is true or false

Question 2

Suppose a study of 196 randomly sampled privately insured adults with incomes over 200 of the current poverty level is to be used to measure out-of-pocket medical expenses for prescription drugs for this income class.
 
  The sample data are in the file Drug Expenses.Based on the sample data, construct a 95 confidence interval estimate for the mean annual out-of-pocket expenditures on prescription drugs for this income class. Interpret this interval.A) (162.08, 172.96)
  B) (163.50, 171.54)
  C) (164.19, 170.85)
  D) (161.97, 173.07)


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ebenov

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

FALSE

Answer to Question 2

B


gbarreiro

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Reply 2 on: Jun 24, 2018
Excellent

bitingbit

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

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