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Three brands of paint were tested for their ability to withstand fading by painting several panels with each brand. After all the panels had been exposed to the same weather conditions for 6 months, the following scores were recorded: 4. Brand A Brand B Brand C 50 48 58 43 43 54 48 49 64 42 57 60 52 53 59 77 70 ТОTAL 294 436 Does the data present sufficient evidence to indicate a significant difference in the mean fading scores for the three brands of paint? (Hint: Use the ANOVA test) Use a = 0.05.

Three brands of paint were tested for their ability to withstand fading by painting several panels with each brand. After all the panels had been exposed to the same weather conditions for 6 months, the following scores were recorded: 4. Brand A Brand B Brand C 50 48 58 43 43 54 48 49 64 42 57 60 52 53 59 77 70 ТОTAL 294 436 Does the data present sufficient evidence to indicate a significant difference in the mean fading scores for the three brands of paint? (Hint: Use the ANOVA test) Use a = 0.05.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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4. Three brands of paint were tested for their ability to withstand fading by painting several panels with each brand. After all the panels had been exposed to the same weather conditions for 6 months, the following scores were recorded: Brand A Brand B Brand C 50 48 58 43 43 54 48 49 64 42 57 60 52 53 59 77 70 ТОTAL 294 197 436 Does the data present sufficient evidence to indicate a significant difference in the mean fading scores for the three brands of paint? (Hint: Use the ANOVA test) Use a =0.05. NOTE: x = 52019
Transcribed Image Text:4. Three brands of paint were tested for their ability to withstand fading by painting several panels with each brand. After all the panels had been exposed to the same weather conditions for 6 months, the following scores were recorded: Brand A Brand B Brand C 50 48 58 43 43 54 48 49 64 42 57 60 52 53 59 77 70 ТОTAL 294 197 436 Does the data present sufficient evidence to indicate a significant difference in the mean fading scores for the three brands of paint? (Hint: Use the ANOVA test) Use a =0.05. NOTE: x = 52019
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