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mgsc 291 exam 3 hendrix (1)
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mgsc 291 exam 3 hendrixnarrower - ANS-Increasing the sample size will usually yield a _______ confidence interval
wider - ANS-Increasing the confidence level will yield a _____ confidence interval
There is a weak predictor in the model. - ANS-What does it mean if the R-square for a
regression is 0.346 and the adjusted R-square is 0.271?
response - ANS-Standard error is interpreted with the _____ variable
at least one predictor is important to the model - ANS-If the p-value for an F test is significant, it
means that...
standard error - ANS-When using a regression model for prediction, one should be concerned
with minimizing _____ of the regression
collinearity - ANS-You run a multiple regression that has a low P-value for the F-test, and large
P-values for each of the predictors. You should suspect...
the regression coefficients - ANS-Collinearity is important to diagnose if you are interpreting...
Yes, it is significant. (0 is not contained in the interval) - ANS-The confidence interval for a
predictor's coefficient is 56.65 < β1 < 88.72. Based on the confidence interval, could we tell if
the P-value is significant for that predictor?
influence - ANS-Cook's D is a measure to detect...
leverage - ANS-Hi is a measure to detect...
high residual - ANS-standardized and studentized are a measure to detect...
provide a test for non-linearity - ANS-Adding a quadratic term to a regression will...
logistic regression - ANS-If your response is a dichotomous categorical variable, you should
use...
P/(1-P) - ANS-formula for odds of an event is...
linear and quadratic terms for two
quantitative predictors along with the interaction term - ANS-What does the complete second
order model include?
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