ISDS COPE FINAL EXAM QUESTIONS WITH REVISED ANSWERS UPDATED
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ISDS COPE
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ISDS COPE
ISDS COPE FINAL EXAM QUESTIONS WITH REVISED ANSWERS UPDATED
Which of the following is the standard error of the estimate?
A. 0.82
B. 0.86
C. 0.92
D. 0.96 - Answer-D. 0.96
When estimating = β0 + β1x1 + β2x2 +ε, the following regression results using ANOVA were obtained.
df...
Consider the following simple linear regression model: y = β0 + β1x + ε. When
determining whether x significantly influences y, the null hypothesis takes the form
______________.
, A. H0:β1 = 0
B. H0:β1 = 1
C. H0:b1 = 0
D. H0:b1 = 1 - Answer-A. H0:β1 = 0
Consider the following simple linear regression model: y = β0 + β1x + ε. When
determining whether there is a one-to-one relationship between x and y, the null
hypothesis takes the form ______________.
A. H0:β1 = 0
B. H0:β1 = 1
C. H0:b1 = 0
D. H0:b1 = 1 - Answer-B. H0:β1 = 1
Consider the following simple linear regression model: y = β0 + β1x + ε. When
determining whether there is a positive linear relationship between x and y, the
alternative hypothesis takes the form ______________.
A. HA:β1 = 0
B. HA:β1 > 1
C. HA:β1 < 0
D. HA:b1 > 1 - Answer-B. HA:β1 > 1
Consider the following simple linear regression model: y = β0 + β1x + ε. When
determining whether there is a negative linear relationship between x and y, the
alternative hypothesis takes the form ______________.
A. HA:β1 = 0
B. HA:β1 > 0
C. HA:b1 < 0
D. HA:b1 > 0 - Answer-C. HA:b1 < 0
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