ONE WAY ANOVA One-Way Classification One-Factor Experiment for equal number of Observations

ANOVA
One-Way Classification
Or
One-Factor Experiment for equal number of Observations

A company wishes to test 4 different types of tires, A, B, C, D. The lifetimes of the tires, as determined from their treads, are given ( in thousands of miles ) in table below, where each type has been tried on 6 similar automobiles assigned at random to tires. Test at the
(a) 0.05 level (b) 0.01 level whether there is a difference in tires.

I II III IV V VI
A 33 38 36 40 31 35
B 32 40 42 38 30 34
C 31 37 35 33 34 30
D 29 34 32 30 33 31

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