A researcher is interested in whether patients have better results with a new treatment as compared to a placebo. A researcher is interested in the average number of miles a person drives to work daily. A researcher is interested in whether individuals lost weight or stayed the same when using a new diet regime A researcher is interested in whether there is a difference in the proportion of children that attend preschool prior to kindergarten for boys and girls.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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For which of the following situations would a confidence interval analysis be most appropriate?

  1. A researcher is interested in whether patients have better results with a new treatment as compared to a placebo.
  2. A researcher is interested in the average number of miles a person drives to work daily.
  3. A researcher is interested in whether individuals lost weight or stayed the same when using a new diet regime
  4. A researcher is interested in whether there is a difference in the proportion of children that attend preschool prior to kindergarten for boys and girls.
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