Question 1

What happens when SAS cannot interpret syntax errors?

Options :

A :

Data set variables contain missing values.

B : The DATA step still compiles, but it does not execute.

C : The DATA step does not compile.

D : The DATA step still compiles and executes.

Answer: B

Question 2

What type of variable is the variable Wear based on the justification of the text in the data set below? 1-1

Options :

A : character

B : cannot tell from the data shown

C : numeric

D : can be either character or numeric

Answer: C

Question 3

What happens if you merge the following data sets by the variable SSN?

Options :

A : The values of Age in the data set 2nd are set to missing.

B :

The values of Age in the data set 1st overwrite the values of Age in the data set 2nd.

C : The DATA step fails because the two data sets contain same-named variables that have different values.

D :

The values of Age in the data set 2nd overwrite the values of Age in the data set 1st.

Answer: D

Question 4

Which statement is false regarding the use of DO loops?

Options :

A : They can generate multiple observations.

B : They can be used to combine DATA and PROC steps.

C : They can contain conditional clauses.

D : They can be used to read data.

Answer: B

Question 5

Suppose you do not specify the LIBRARY= option and your formats are stored in Work.Formats. How long do they exist?

Options :

A : only for the current procedure

B : only for the current SAS session

C : permanently

D : only for the current DATA step

Answer: B

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