Question

Write the regression line equation for the following data.

X 43 21
25 42 57 59 33

Y 99 65 79 75 87 81
92
A) 0.53x - 3.58
B) 0.31x + 70.21
70.21 +0.31%
D) -3.58 +0.53x

Answer 1

B) y = 0.31x + 70.21

Explanation:

Put the data into 2 lists and use the LinReg feature on the TI-84 to get your regression equation.