Question
What's the slope (b1) of the regression line?
A. 19.96
B. .2316
C. 28.26
D. .4865
E. 1.42
ressiuri ane was far the first an he following is a MINTAB regi 30 students in an AP Stabstics dass Regression Analysis The regression equation is Predictor Coef Stdev t-ratio p Constant 28.26 19.96 1.42 0.168 Test 1 4865 0.2316 2.10 0.04 s 11.78 R-sq 13.6% R-sq (adj) 10,596 Analysis of variance SOURCE DF SS Ms D Regression 1 611.6 611.6 4 41 0.045 28 3882.2 138,7 Error Total 29 4493.9 'What's the slopa ubl of ine regression ine?
Explanation / Answer
The slope of regression line
= Coefficient of Test 1
= 0.4865
Hence,
Option D is correct.