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1. The mean lasting times of 2 independant floor waxes are to be compared. 20 floors are random chosen to test each wax. The resulting table is as follows:. Wax Sample Mean of Floor Wax Last 3 months 2.9 months Population Standard Deviation 0.33 0.36 1 2 Does the data indicate that wax 1 is more effective than wax 2? Test at a 5% level of significance. Comment on the result.

1. The mean lasting times of 2 independant floor waxes are to be compared. 20 floors are random chosen to test each wax. The resulting table is as follows:. Wax Sample Mean of Floor Wax Last 3 months 2.9 months Population Standard Deviation 0.33 0.36 1 2 Does the data indicate that wax 1 is more effective than wax 2? Test at a 5% level of significance. Comment on the result.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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1. The mean lasting times of 2 independant floor waxes are to be compared. 20 floors are randomly chosen to test each wax. The resulting table is as follows:. Wax Sample Mean of Floor Wax Last Population Standard Deviation 1 3 months 0.33 2.9 months 0.36 Does the data indicate that wax 1 is more effective than wax 2? Test at a 5% level of significance. Comment on the result.
Transcribed Image Text:1. The mean lasting times of 2 independant floor waxes are to be compared. 20 floors are randomly chosen to test each wax. The resulting table is as follows:. Wax Sample Mean of Floor Wax Last Population Standard Deviation 1 3 months 0.33 2.9 months 0.36 Does the data indicate that wax 1 is more effective than wax 2? Test at a 5% level of significance. Comment on the result.
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