a)Y^ = 30.139 - 0.252*x
b) df1 = 1
df2 = N-k = 21-2 = 19
F stat = (MSR/MSE) = (1759.481/1)/(259.186/19)= 128.98
p value=0.0000
p value <α=0.05
reject Ho
there is evidence that model is significant
c)
R²=SSR/SST = 1759.481/(1759.481+259.186)=0.8716
d) r = √R²=√0.8716 = 0.9336
Below you are given a partial computer output based on a sample of 21 observations, relating...
In the following table is a partial computer output based on a sample of 21 observations, relating an independent variable (X) and a dependent variable: Predictor Coefficient Standard Error Constant 30.139 1.181 X ‐0.2520 0.022 SOURCE SS Regression 1,759.481 Error 259.186 a. Develop the estimated regression line. b. At α = 0.05, test for the significance of the slope. c. At α = 0.05, perform an F‐test. d. Determine the coefficient of determination. e. Determine the coefficient...
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