Find the 99% confidence interval for the mean of the entire student applicants.
Auditing: A Risk Based-Approach (MindTap Course List)
11th Edition
ISBN:9781337619455
Author:Karla M Johnstone, Audrey A. Gramling, Larry E. Rittenberg
Publisher:Karla M Johnstone, Audrey A. Gramling, Larry E. Rittenberg
Chapter8: Specialized Audit Tools: Attributes Sampling, Monetary Unit Sampling, And Data Analytics Tools
Section: Chapter Questions
Problem 27RQSC
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The mean score of a random sample of 22 student applicants who took the college entrance examination is calculated to be 76.9. The population variance is known to be 27.4. Find the 99% confidence interval for the mean of the entire student applicants.
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