6. 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 for the number of miles (at a constant speed) until failure. The partial ANOVA table for the data is given here. Fill in the missing entries, state the relevant hypotheses, and carry out a test by obtaining as much information as you can about the P-value. Source df Sum of squares Mean square f Brand Error 14,713.69 Total 310,500.76

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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6. 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 for the number of miles (at a
constant speed) until failure. The partial ANOVA
table for the data is given here. Fill in the missing
entries, state the relevant hypotheses, and carry out
a test by obtaining as much information as you can
about the P-value.
Source df Sum of squares Mean square f
Brand
Error
14,713.69
Total
310,500.76
Transcribed Image Text:6. 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 for the number of miles (at a constant speed) until failure. The partial ANOVA table for the data is given here. Fill in the missing entries, state the relevant hypotheses, and carry out a test by obtaining as much information as you can about the P-value. Source df Sum of squares Mean square f Brand Error 14,713.69 Total 310,500.76
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