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Statistical Business Analyst | SAS: https://www.sas.com/en_us/certification/credentials/advanced-analytics/statistical-business-analyst.html
Designed for SAS professionals who use SAS/STAT® software to conduct and interpret complex statistical data analysis
Successful candidates should have experience in:
- Analysis of variance.
- Linear and logistic regression.
- Preparing inputs for predictive models.
- Measuring model performance.
Latest Updates SASInstitute A00-240 Exam Practice Questions and Answers
QUESTION 1
Refer to the exhibit.
These graphs were created using the GLM procedure with the plots(only)=diagnostics option.
Which plot do you use to identify influential observations?
A. Cook\\’s D by Observation
B. Residual by Quantile
C. Residual by Predicted
D. Fit – Mean and Residual Plot
Correct Answer: A
Reference: https://books.google.com.pk/books?id=fx77Pzerty8Candpg=PA279andlpg=PA279anddq=sas+statistical+an
alysis+plot+do+you+use+to+identify+influential +observationsandsource=blandots=AJavSAql_gandsig=ACfU3U0jbAa6l
TWvSeSJ6y5bwp4osAyigAandhl=enandsa=Xandved=2ahUKEwje34nyqajnAhXDThUIHUfUCj0Q6AEwEXoECAoQAQ#
v=onepageandq=sas%20statistical%20analysis%20plot%20do%
20you%20use%20to%20identify%20influential%20observationsandf=false
QUESTION 2
Refer to the following exhibit:
What is the correct interpretation of this graph?
A. The association between the continuous predictor and the binary response is quadratic.
B. The association between the continuous predictor and the log-odds is quadratic.
C. The association between the continuous predictor and the continuous response is quadratic.
D. The association between the binary predictor and the log-odds is quadratic.
Correct Answer: B
QUESTION 3
Which statistic is based on the maximum vertical distance between the primary event EDF and the secondary event
EDF?
A. KS
B. SBC
C. Max EDF
D. Brier Score
Correct Answer: A
Reference: https://support.sas.com/documentation/onlinedoc/ets/132/severity.pdf
QUESTION 4
A company has branch offices in eight regions. Customers within each region are classified as either “High Value” or
“Medium Value” and are coded using the variable name VALUE. In the last year, the total amount of purchases per
customer is used as the response variable.
Suppose there is a significant interaction between REGION and VALUE. What can you conclude?
A. More high-value customers are found in some regions than others.
B. The difference between average purchases for medium and high-value customers depends on the region.
C. Regions with higher average purchases have more high-value customers.
D. Regions with higher average purchases have more medium value customers.
Correct Answer: B
QUESTION 5
This question will ask you to provide a missing option.
A business analyst is investigating the differences in sales figures across 8 sales regions. The analyst is interested in
viewing the regression equation parameter estimates for each of the design variables.
Which option completes the program to produce the regression equation parameter estimates?
A. Solve
B. Estimate
C. Solution
D. Est
Correct Answer: C
Reference: https://documentation.sas.com/?docsetId=statuganddocsetTarget=statug_ods_examples06.htmanddocsetVersion=14.3andlocale=en
QUESTION 6
In order to perform an honest assessment of a predictive model, what is an acceptable division between training,
validation, and testing data?
A. Training: 50% Validation: 0% Testing: 50%
B. Training: 100% Validation: 0% Testing: 0%
C. Training: 0% Validation: 100% Testing: 0%
D. Training: 50% Validation: 50% Testing: 0%
Correct Answer: D
QUESTION 7
In partitioning data for model assessment, which sampling methods are acceptable? (Choose two.)
A. Simple random sampling without replacement
B. Simple random sampling with replacement
C. Stratified random sampling without replacement
D. Sequential random sampling with replacement
Correct Answer: AC
QUESTION 8
Refer to the confusion matrix:
Calculate the sensitivity. (0 – negative outcome, 1 – positive outcome)
Click the calculator button to display a calculator if needed.
A. 25/48
B. 58/102
C. 25/B9
D. 58/81
Correct Answer: A
QUESTION 9
The selection criterion used in the forward selection method in the GLMSELECT procedure is:
A. RSQ
B. MSE
C. R-squared
D. AIC
Correct Answer: D
QUESTION 10
This question will ask you to provide a missing option. Given the following SAS program:
What option must be added to the program to obtain a data set containing Spearman statistics?
A. OUTCORR=estimates
B. OUTS=estimates
C. OUT=estimates
D. OUTPUT=estimates
Correct Answer: D
QUESTION 11
The Model SS in a multiple linear regression model is equal to:
A. the total SS- MSE
B. the sum of Type I SS of all model terms
C. the sum of Type II SS of all model terms
D. the sum of SSE and MSE
Correct Answer: B
Reference: http://core.ecu.edu/psyc/wuenschk/SAS/SS1234.pdf
QUESTION 12
Refer to the ROC curve:
As you move along the curve, what changes?
A. The priors in the population
B. The true negative rate in the population
C. The proportion of events in the training data
D. The probability cutoff for scoring
Correct Answer: D
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