The following table shows students' test scores on the first two tests in an introductorychemistry class.

First test,x	4242	6464	7474	9494	9393	5151	5050	9595	8787	6868	5959	9191
Second test,y	4242	6363	7171	8989	8383	5353	5454	9090	8484	5959	5353	8585

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Step1of2:

Find an equation of the least-squares regression line. Round your answer to three decimal places, if necessary.