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14) Use AVOVA to test the claim that the samples come from populations with the same mean. Assume that the populations are normally distributed with the same variance. A consumer magazine wants to compare the lifetimes of ballpoint pens of three different types. The magazine takes a random sample of pens of each type in the following table. Do the data indicate that there is a difference in mean lifetime for the three brands of ballpoint pens? Find the P-Value. Use a 0.01. Brand 1 Brand 2 Brand 3 260 250 218 238 230 249 174 185 235 No; P-Value = 0.8929 No; P-Value 0.0095 O Yes; P-Value 0.8925 O Yes; P-Value = 0.0091

14) Use AVOVA to test the claim that the samples come from populations with the same mean. Assume that the populations are normally distributed with the same variance. A consumer magazine wants to compare the lifetimes of ballpoint pens of three different types. The magazine takes a random sample of pens of each type in the following table. Do the data indicate that there is a difference in mean lifetime for the three brands of ballpoint pens? Find the P-Value. Use a 0.01. Brand 1 Brand 2 Brand 3 260 250 218 238 230 249 174 185 235 No; P-Value = 0.8929 No; P-Value 0.0095 O Yes; P-Value 0.8925 O Yes; P-Value = 0.0091

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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14) Use AVOVA to test the claim that the samples come from populations with the same mean. Assume that the populations are normally distributed with the same variance. A consumer magazine wants to compare the lifetimes of ballpoint pens of three different types. The magazine takes a random sample of pens of each type in the following table. Do the data indicate that there is a difference in mean lifetime for the three brands of ballpoint pens? Find the P-Value. Use a 0.01. Brand 1 Brand 2 Brand 3 260 250 218 238 230 249 174 185 235 No; P-Value = 0.8929 O No; P-Value 0.0095 O Yes; P-Value 0.8925 Yes; P-Value = 0.0091
Transcribed Image Text:14) Use AVOVA to test the claim that the samples come from populations with the same mean. Assume that the populations are normally distributed with the same variance. A consumer magazine wants to compare the lifetimes of ballpoint pens of three different types. The magazine takes a random sample of pens of each type in the following table. Do the data indicate that there is a difference in mean lifetime for the three brands of ballpoint pens? Find the P-Value. Use a 0.01. Brand 1 Brand 2 Brand 3 260 250 218 238 230 249 174 185 235 No; P-Value = 0.8929 O No; P-Value 0.0095 O Yes; P-Value 0.8925 Yes; P-Value = 0.0091
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