# Regression equation help

• June 18th 2009, 11:46 PM
tennisair
Regression equation help
Use the given data to find the best predicted value of the response variable.
Eight pairs of data yield r=0.708 and the regression equation y^=55.8+2.79x. Also, y^=71.125. What is the best predicted value of y for x=6.8?

a.)382.23
b.)71.13
c.)74.77
d.)57.80

what are the steps??
• June 19th 2009, 12:11 AM
pickslides
$
55.8+2.79\times 6.8 = 74.77
$