ISDS COPE FINAL EXAM QUESTIONS WITH REVISED ANSWERS UPDATED
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Module
ISDS COPE
Institution
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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