4. In an experiment to investigate the performance of four different brands of spark plugs intended for use on a 125-cc two-stroke motorcycle, five plugs of each brand were tested and the umber of miles (at a constant speed) until failure was observed. The partial ANOVA table for the data appears below. degrees of freedom Sum of Mean Source squares square Fyalue Brand Error 14,713.69 Total 310,500.76

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
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4.
In an experiment to investigate the performance of four different
brands of spark plugs intended for use on a 125-cc two-stroke motorcycle, five plugs
of each brand were tested and the number of miles (at a constant speed) until failure
was observed. The partial ANOVA table for the data appears below.
degrees of
freedom
Sum of
Mean
Source
squares
square
Evalue
Brand
Error
14,713.69
Total
310,500.76
Transcribed Image Text:4. In an experiment to investigate the performance of four different brands of spark plugs intended for use on a 125-cc two-stroke motorcycle, five plugs of each brand were tested and the number of miles (at a constant speed) until failure was observed. The partial ANOVA table for the data appears below. degrees of freedom Sum of Mean Source squares square Evalue Brand Error 14,713.69 Total 310,500.76
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