A personnel manager has found that, historically, the scores on aptitude tests given to applicants for entry- level positions follow a normal distribution with standard deviation 24.09 points. A random sample of 11 test scores from the current group of applicants had a mean score of 70.76 points. Based on these sample results, a statistician found for the population mean a confidence interval extending from 59.7923 to 81.7277 points. Find the confidence level (as a value between zero and one) of

A personnel manager has found that, historically, the scores on aptitude tests given to applicants for entry- level positions follow a normal distribution with standard deviation 24.09 points. A random sample of 11 test scores from the current group of applicants had a mean score of 70.76 points. Based on these sample results, a statistician found for the population mean a confidence interval extending from 59.7923 to 81.7277 points. Find the confidence level (as a value between zero and one) of

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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