A company collects data on the lengths of telephone calls made by employees in two different divisions. The sample mean and the sample standard deviation for the sales division are 10.26 and 8.56, respectively. The sample mean and sample standard deviation for the shipping and receiving division are 6.93 and 4.93, respectively. 1. What is the null hypothesis? 2. What is the alternative hypothesis? 3. What test should be used? 4. Which of the ff test will be applies? (peason r, z-test, t-test for dependent/paired samples, t-test for independent sample)
A company collects data on the lengths of telephone calls made by employees in two different divisions. The sample mean and the sample standard deviation for the sales division are 10.26 and 8.56, respectively. The sample mean and sample standard deviation for the shipping and receiving division are 6.93 and 4.93, respectively. 1. What is the null hypothesis? 2. What is the alternative hypothesis? 3. What test should be used? 4. Which of the ff test will be applies? (peason r, z-test, t-test for dependent/paired samples, t-test for independent sample)
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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A company collects data on the lengths of telephone calls made by employees in two different divisions. The sample
1. What is the null hypothesis?
2. What is the alternative hypothesis?
3. What test should be used?
4. Which of the ff test will be applies? (peason r, z-test, t-test for dependent/paired samples, t-test for independent sample)
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