What\'s the regression equation for these data? A. Test 2 = 28.3 + 0.486(Test 1)

Question

What's the regression equation for these data?
A. Test 2 = 28.3 + 0.486(Test 1)
B. Test 1 = 0.486 + 28.3 (Test 2)
C. Test 1 = 28.3 + 0.486 (Test 2)
D. Test 2 = 0.486 + 28.3 (Test 1)
E. Test 1 = 28.3 + 0.486

The following is a MINITAB regression analysis for the first and scores of 30 students an AP Statistics class Regression Analysis The regression equation is Predictor Coef Stdev t-ratio p 19.96 1.42 28,26 Constant Test 1 0.4865 2316 2.10 0.045 s 11.78 R-sq 13.6% R-sq(adj) 10.5% Analysis of variance SOURCE DF S5 p 611 611 0.045 Regression 2B 3882.2 138 Total 29 4493,9 Whats fag ecuati

Explanation / Answer

Solution:- A. Test 2 = 28.3 + 0.486 * (Test 1)

The reression equation is given by:-

Y = a + b*X

a = 28.26, b = 0.4865, X = Test 1, Y = Test 2

Test 2 = 28.3 + 0.486 * (Test 1)

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