Which of the following is the correct formula for calculating the coefficient of determination for a multiple regression model?
a.
b.
c.
d.
Q. 2 How much of the variation in rate can be explained by the regression model
HR = 104 + 1.11
MAP + 0.06
CVP + 0.0671
CO2? The output below represents a portion of the analysis for this regression model.
a.80.3
b.1.84
c.22.5
d.16.4
Q. 3
Which of the following is not a required condition for the error variable in multiple regression analysis?
a.The errors are independent.
b.The random error is normally distributed.
c.The mean of the distribution of the random error is zero.
d.The standard deviation of the random error is 1.
Q. 4
Which of the following is involved in selecting the most appropriate model?
a.All of these answers.
b.Examine the correlation between independent variables.
c.Collect the data.
d.Specifying possible independent variables.
Q. 5 What is the value for
in the partial Minitab output below for a multiple regression analysis?
a.
b.
c.
d.
Q. 6 What type of association could describe the scatterplot below?
a.no association
b.negative linear association
c.a nonlinear association
d.positive linear association
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