In a study on college dropout rates, researchers found one factor that influenced the decision to drop out was expected GPA for a student who studied 2 hours per day. In a sample of 307 college students who studied 2 hours per day, the mean GPA was 3.11 and the standard deviation was .66. Provide an interval estimate for the true population mean GPA, μ using a confidence coefficient of 0.98.     3.02; 3.20 3.06; 3.26 3.64; 3.94  2.99; 3.02

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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  In a study on college dropout rates, researchers found one factor that influenced the decision to drop out was expected GPA for a student who studied 2 hours per day. In a sample of 307 college students who studied 2 hours per day, the mean GPA was 3.11 and the standard deviation was .66. Provide an interval estimate for the true population mean GPA, μ using a confidence coefficient of 0.98.

   

  1. 3.02; 3.20
  2. 3.06; 3.26
  3. 3.64; 3.94 
  4. 2.99; 3.02
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