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
Mathematics, 21.06.2019 16:00
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Mathematics, 21.06.2019 17:30
Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.
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The correlation coefficient, r, between the prices of smartphones, x, and the number of sales of pho...
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