2 years ago

Which of the following are true about the correlation coefficient? Select all that apply.

Mathematics

1 answer:

Ber [7]2 years ago

7 0

Answer:

number 1 is correct

Step-by-step explanation:

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The point-slope form:

$y-y_1=m(x-x_1)$

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The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (-2, 7) and (1, 1). Substitute:

$m=\dfrac{1-7}{1-(-2)}=\dfrac{-6}{3}=-2$

$y-7=-2(x-(-2))\\\\\boxed{y-7=-2(x+2)}$ point-slope form

$\boxed{y=-2x+3}$ slope-intercept form

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Step-by-step explanation:

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2 years ago

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algol13

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2 years ago

At the middle school graduation dance, the DJ played 12 slow dances, which was equal to the quotient of the number of fast dance

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