Question
A study of 50 professors showed that the average time they spent creating test questions was 17.5 minutes per question.The standard deviation of the population
A study of 50 professors showed that the average time they spent creating test questions was 17.5 minutes per question.The standard deviation of the population is 5.8.What is the 99% confidence interval for the average number of minutes it takes to create a test question?
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A Survey of Mathematics with Applications
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
10th edition
134112105, 134112342, 9780134112343, 9780134112268, 134112261, 978-0134112107
