Annual high temperatures in a certain location have been tracked for several years. Let X represent the year and Y the high temperature. Based on the data shown below, calculate the regression line (each value to two decimal places). ˆy=  +  x x y 4 24.58 5 30.3 6 31.92 7 32.74 8 35.76 9 37.98 10 40 11 44.72 12 47.24 13 47.36 14 50.88

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 Annual high temperatures in a certain location have been tracked for several years. Let X represent the year and Y the high temperature. Based on the data shown below, calculate the regression line (each value to two decimal places).

ˆy=  +  x

x y
4 24.58
5 30.3
6 31.92
7 32.74
8 35.76
9 37.98
10 40
11 44.72
12 47.24
13 47.36
14 50.88
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