Unit 7 - Correlation + Regression : Regression Lines Flashcards

1
Q

Whats a regression line?

A

The best line of best fit

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2
Q

Regression line formula

A

y = a +bx

a - value of y when x=0
b - the increase in y when x increases by 1

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3
Q

Mean point

A

Find the mean of x-axis values and y-axis values

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