A company wishes to compare the expected mileage of eight different types of car tires. Which of the following statistical tests is best suited for the analysis?

The correct answer is B. ANOVA. Analysis of Variance (ANOVA) is a statistical test that evaluates the differences among means of three or more samples. In the above-mentioned example, each of the eight-car tires will be tested and its average expected mileage is recorded. The ANOVA analysis substantiates if…

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Options

AMultiple regression
BANOVA
CPaired-difference test
DZ-test

How the community answered

(55 responses)

A
9% (5)
B
82% (45)
C
4% (2)
D
5% (3)

Explanation

Analysis of Variance (ANOVA) is a statistical test that evaluates the differences among means of three or more samples. In the above-mentioned example, each of the eight-car tires will be tested and its average expected mileage is recorded. The ANOVA analysis substantiates if at least 2 of the tires have significantly different mileages.

Topics

#ANOVA#hypothesis testing#comparing groups#statistical tests

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