From the following
Minitab regression analysis, what can you conclude for the hypothesis test of H
0:
versus H
a:
using
?
a.The null hypothesis would be rejected and the conclusion would be that the
x variable is necessary for the regression model to predict
y.
b.The null hypothesis would not be rejected and the conclusion would be that the slope of the regression line is equal to zero.
c.The null hypothesis would be rejected and the conclusion would be that the
y-intercept of the regression model is equal to zero.
d.The null hypothesis would not be rejected and the conclusion would be that the
x variable is of no use in the regression model to predict
y.
Question 2
Which of the following is not a property of ryx?
a.The square of the correlation coefficient is the value for the coefficient of determination that results from fitting the simple linear regression model.
b.
c.The value of
ryx depends on the units in which
x and
y are measured.
d.The strength of the linear relationship is determined by the closeness of the points to a straight line.
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