An experiment was conducted to study the life (in hours) of two different brands of batteries in three different devices (radio, camera, and portable DVD player). A completely randomized two-factor experiment was conducted, and the following data resulted. Brand Device of Battery Radio Camera DVD Player A 8.6 7.9 5.4 8.2 8.4 5.7 B 9.4 8.5 5.8 8.8 8.9 5.9 (a) Analyze the data and draw conclusions, using α = 0.05. (b) Investigate model adequacy by plotting the residuals. (c) Which brand of batteries would you recommend?
An experiment was conducted to study the life (in hours) of two different brands of batteries in three different devices (radio, camera, and portable DVD player). A completely randomized two-factor experiment was conducted, and the following data resulted. Brand Device of Battery Radio Camera DVD Player A 8.6 7.9 5.4 8.2 8.4 5.7 B 9.4 8.5 5.8 8.8 8.9 5.9 (a) Analyze the data and draw conclusions, using α = 0.05. (b) Investigate model adequacy by plotting the residuals. (c) Which brand of batteries would you recommend?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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An experiment was conducted to study the life (in hours) of two different brands of batteries in three
different devices (radio, camera, and portable DVD player). A completely randomized two-factor
experiment was conducted, and the following data resulted.
Brand Device
of Battery Radio Camera DVD Player
A 8.6 7.9 5.4
8.2 8.4 5.7
B 9.4 8.5 5.8
8.8 8.9 5.9
(a) Analyze the data and draw conclusions, using α = 0.05.
(b) Investigate model adequacy by plotting the residuals.
(c) Which brand of batteries would you recommend?
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