Mathematics, 28.07.2021 01:00, EdgeTheWizard

The correlation coefficient, r, between the prices of smartphones, x, and the number of sales of phones, y, equals −0.63. Select the statement which best describes the relationship between the price and sales.

The value of r indicates that the number of sales decreases as the price decreases.

The value of r indicates that the number of sales decreases as the price stays the same.

The value of r indicates that the number of sales decreases as the price increases.

The value of r indicates that the number of sales is not related to the price.

I think its (C): The value of r indicates that the number of sales decreases as the price increases.

Answers: 3

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The correlation coefficient, r, between the prices of smartphones, x, and the number of sales of pho...