A00-240無料問題集「SASInstitute SAS Certified Statistical Business Analyst Using SAS 9: Regression and Modeling Credential」

質問 1

After performing an ANOVA test, an analyst has determined that a significant effect exists due to income. The analyst wants to compare each Income to all others and wants to control for experimentwise error.
Which GLM procedure statement would provide the most appropriate output?

（A）lsmeans Income / pdiff=control adjust=dunnett;

（B）lsmeans Income / pdiff=control adjust=t;

（C）lsmeans Income / pdiff=all adjust=tukey;

（D）lsmeans Income / pdiff=all adjust=t;

正解：A 解答を投票する

質問 2

Which SAS program will best identify influential observations in a multiple regression application?

（A）Option D

（B）Option B

（C）Option C

（D）Option A

正解：C 解答を投票する

質問 3

A linear model has the following characteristics:
* A dependent variable (y)
* Three continuous predictor variables (x1-x3)
* One categorical predictor variable (c1 with 3 levels)
Which SAS program fits this model?

（A）Option D

（B）Option B

（C）Option C

（D）Option A

正解：A 解答を投票する

質問 4

In order to perform honest assessment on a predictive model, what is an acceptable division between training, validation, and testing data?

（A）Training: 100% Validation: 0% Testing: 0%

（B）Training: 50% Validation: 50% Testing: 0%

（C）Training: 0% Validation: 100% Testing: 0%

（D）Training: 50% Validation: 0% Testing: 50%

正解：B 解答を投票する

質問 5

The selection criterion used in the forward selection method in the GLMSELECT procedure is:

（A）R-squared

（B）AIC

（C）MSE

（D）RSQ

正解：B 解答を投票する

質問 6

A predictive model uses a data set that has several variables with missing values.
What two problems can arise with this model? (Choose two.)

（A）The model will likely be overfit.

（B）Complete case analysis means that fewer observations will be used in the model building process.

（C）New cases with missing values on input variables cannot be scored without extra data processing.

（D）There will be a high rate of collinearity among input variables.

正解：B、C 解答を投票する

質問 7

Given the following output from the LOGISTIC procedure:

Which variables, among those that are statistically significant at an alpha of 0.05, have the greatest and least relative importance on the fitted model?

（A）Greatest: MBALeast: DOWN_AMT

（B）Greatest: MBALeast: CASH

（C）Greatest: DOWN_AMTLeast: CASH

（D）Greatest: DOWN_AMTLeast: HOME

正解：C 解答を投票する

質問 8

Refer to the following odds ratio table:

What is a correct interpretation of the estimate?

（A）The probability of the event is 1.142 greater for each one dollar increase in salary.

（B）The odds of the event are 1.142 greater for each one thousand dollar increase in salary.

（C）The odds of the event are 1.142 greater for each one dollar increase in salary.

（D）The probability of the event is 1.142 greater for each one thousand dollar increase in salary.

正解：B 解答を投票する

質問 9

Refer to the exhibit.

Based on the control plot, which conclusion is justified regarding the means of the response?

（A）No groups are significantly different from each other.

（B）All groups are significantly different from each other.

（C）2XL is significantly different from all other groups.

（D）Only XL and 2XL are not significantly different from each other.

正解：D 解答を投票する

質問 10

Consider scoring new observations in the SCORE procedure versus the SCORE statement in the LOGISTIC procedure.
Which statement is true?

（A）The SCORE statement in the LOGISTIC procedure returns only predicted probabilities, whereas the SCORE procedure returns only predicted logits.

（B）The SCORE statement in the LOGISTIC procedure returns only predicted logits, whereas the SCORE procedure returns only predicted probabilities.

（C）The SCORE procedure and the SCORE statement in the LOGISTIC procedure produce the same output.

（D）Unlike the SCORE procedure, the SCORE statement in the LOGISTIC procedure produces both predicted probabilities and predicted logits.

正解：A 解答を投票する

A00-240 無料問題集「SASInstitute SAS Certified Statistical Business Analyst Using SAS 9: Regression and Modeling Credential」

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