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solve in excel?
Copy 5 File View Home Tell me what you wa Insert Insert Page Layout Formulas Page Layout Data Formulas Review of Cut Anisl 10
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Answer #1

The given data is:

X Y School SOL Scores Teacher Salary 34300 28700 26500 36200 35900 32500 31800 38200 27100 10 73 31500 37600 12 85 40400

The given problem can be solved using the MS Excel tool REGRESSION through Data Analysis in Data Tab.

The regression equation can be derived using regression table given below:

SUMMARY OUTPUT Regression Statistics Multiple R 0.753146557 R Square 0.567229737 Adjusted R Square 0.52395271 Standard Error

Regression line equation

Y = a + bX - - - - - - - - - - (1)

Y(x) = Intercept + (X_Variable_1 x X)

Y(x) = -6337.97 + 492.52 X (Regression line equation)

comparing the above equation with (1),

a = -6337.97

b = 492.52

Y(95) = -6337.97 + (492.52 x 95) = $40451

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