2. Find the measure of right angle x to the nearest degree.
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Answer:
The equation of the least square regression line for predicting selling price from appraised value is:
Step-by-step explanation:
The general form of the least square regression line is:
Here,
<em>y</em> = dependent variable
<em>x</em> = independent variable
<em>a</em> = <em>y</em>-intercept
<em>b</em> = slope
The Minitab output for regressing selling price on appraised value is:
Predictor Coef SE Coef T
Constant 227.0989 95.044 2.389
Appraisal 0.8991 0.133 6.76
S = 88.7959
R-Sq = 76.5%
R-Sq (adj) = 74.9%
The constant term in the regression output represents the <em>y</em>-intercept and the Appraisal coefficient the slope of the regression line.
Then the equation of the least square regression line for predicting selling price from appraised value is: