Posted by Celest on Thursday, July 14, 2011 at 9:21pm.
Using an online calculator, I have the following data:
6 data pairs (x,y):
( 0.00 , 99.0 ); ( 1.00 , 94.0 ); ( 2.00 , 79.0 ); ( 3.00 , 73.0 ); ( 4.00 , 68.0 ); ( 5.00 , 53.0 );
y = a + bx where:
a= 100
b= -8.97
r = -0.986
In the regression equation, substitute 3.5 for x and solve for y to predict the final grade.
I hope this helps.
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