Tuesday
July 28, 2015

Homework Help: statistics

Posted by Sue on Saturday, May 25, 2013 at 11:10pm.

Can someone work this out for me, so I can use as an example to do the other ones.
Does it pay to study for an exam? The number of hours studied, x, is compared to the exam grade received, y.

x 4 4 6 1 1
y 75 90 95 60 80

(a) Find the equation for the line of best fit. (Give your answers correct to two decimal places.)
yhat = + x
I have done it three times and submitted with the answers coming up wrong....need example to go by

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