NO.1 What is the default method in the LOGISTIC procedure to handle
observations with missing
data?
A. Missing values are imputed.
B.
Parameters are estimated accounting for the missing values.
C. Parameter
estimates are made on all available data.
D. Only cases with variables that
are fully populated are used.
Answer: D
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NO.2 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
Answer: A,C
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NO.3 This question
will ask you to provide a missing option.
Complete the following syntax to
test the homogeneity of variance assumption in the GLM
procedure:
Means
Region / <insert option here> =levene;
A. test
B. adjust
C.
var
D. hovtest
Answer:
D
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NO.4 Suppose
training data are oversampled in the event group to make the number of events
and
nonevents
roughly equal. A logistic regression is run and the
probabilities are output to a data set
NEW and given the variable name PE. A
decision rule considered is, "Classify data as an event if
probability is
greater than 0.5." Also the data set NEW contains a variable TG that
indicates
whether there is an event (1=Event, 0= No event).
The following
SAS program was used.
What does this program calculate?
A. Depth
B.
Sensitivity
C. Specificity
D. Positive predictive value
Answer:
B
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NO.5 A
linear model has the following characteristics:
*A dependent variable
(y)
*One continuous variable (xl), including a quadratic term (x12)
*One
categorical (d with 3 levels) predictor variable and an interaction term (d by
x1)
How many parameters, including the intercept, are associated with this
model?
Enter your numeric answer in the space below. Do not add leading or
trailing spaces to your
answer.
Answer: 7
NO.6 Refer to the
exhibit:
The box plot was used to analyze daily sales data following three
different ad campaigns.
The business analyst concludes that one of the
assumptions of ANOVA was violated.
Which assumption has been violated and
why?
A. Normality, because Prob > F < .0001.
B. Normality, because
the interquartile ranges are different in different ad campaigns.
C. Constant
variance, because Prob > F < .0001.
D. Constant variance, because the
interquartile ranges are different in different ad campaigns.
Answer:
D
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NO.7
A non-contributing predictor variable (Pr > |t| =0.658) is added to an
existing multiple linear
regression model.
What will be the result?
A.
An increase in R-Square
B. A decrease in R-Square
C. A decrease in Mean
Square Error
D. No change in R-Square
Answer:
A
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NO.8 The following LOGISTIC procedure output
analyzes the relationship between a binary response
and an ordinal predictor
variable, wrist_size Using reference cell coding, the analyst selects
Large
(L) as the reference level.
What is the estimated logit for a person
with large wrist size?
Click the calculator button to display a calculator if
needed.
A. 0.0819
B. 0.5663
C. -3.7727
D. -1.0415
Answer:
D
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Exam Code:
A00-240Exam Name: SAS Certified Statistical Business Analyst Using SAS 9: Regression and Modeling Credential
One year free update, No help, Full refund!
A00-240 Exam Tests Total Q&A: 65 Questions and Answers
Last Update: 04-14,2015
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