Exhibit 9-41 A random sample of 9 students selected from the student body of a high school had an average age of 14 years. We want to determine if the average age of all the students at the high school is significantly different from 13. Assume the distribution of the population of ages is normal with a standard deviation of 1 year. Refer to Exhibit 9-41. The test statistic is 2.00 3.00 1.00 1.96
Exhibit 9-41 A random sample of 9 students selected from the student body of a high school had an average age of 14 years. We want to determine if the average age of all the students at the high school is significantly different from 13. Assume the distribution of the population of ages is normal with a standard deviation of 1 year. Refer to Exhibit 9-41. The test statistic is 2.00 3.00 1.00 1.96
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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