Run a regression analysis on the following data set, wherey

y

is the final grade in a math class andx

x

is the average number of hours the student spent working on math each week.

hours/week

xGrade

y855.2865.2106910681273.81479.61479.61581157819100

State the regression equationy

=

m

x

+

b

y=mx+b

, with constants accurate to two decimal places.

What is the predicted value for the final grade when a student spends an average of 6 hours each week on math?

Grade =Round to 1 decimal place.