A national consumer magazine reported the following correlations. The correlation between car weight and car reliability...

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A national consumer magazine reported the following correlations. The correlation between car weight and car reliability...

A national consumer magazine reported the following correlations.

The correlation between car weight and car reliability is -0.9.
The correlation between car weight and annual maintenance cost is 0.6.

According to this information, which of the following statements are true?

I. Heavier cars tend to be less reliable.
II. Heavier cars tend to cost more to maintain.
III. Car weight is related more strongly to reliability than to maintenance cost.

I only
II only
III only
I and II
I, II, and III

math Statistics-And-Probability

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