A consumer advocate examines whether the longevity of car batteries (measured in years) is affected by...

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A consumer advocate examines whether the longevity of car batteries (measured in years) is affected by the brand name (factor

math Statistics-And-Probability

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Answer 1

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a-1)applying two way ANOVA on above data by data :data analysis: two way ANOVA with replication:

Source of Variation	SS	df	MS	F	P-value
Sample	5.3333	2	2.6667	2.1818	0.169
Columns	16.3333	2	8.1667	6.6818	0.017
Interaction	3.3333	4	0.8333	0.6818	0.622
Within	11.0000	9	1.2222

Total	36.0000	17

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Answer 2

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