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?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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