You submit a program and the SAS log is shown below:

Which statement is true regarding the submitted program?
The correct answer is C. The DATA step and PROC PRINT steps ran without errors. In the SAS log shown, there is a clear error in the PROC SORT step because of the use of an incorrect option by ascending Increase which caused the 'Variable ASCENDING not found' error. However, the DATA step completed successfully, as indicated by the 'NOTE' that follows it, confirming that 56 observations were read from the SASHELP.SHOES data set where Region is Africa. Additionally, the PROC PRINT step also completed successfully, indicated by the 'NOTE' at the bottom of the log which confirms that 56 observations were read from the WORK.AFRICA data set, implying the PROC PRINT step executed without issue.
A is incorrect because the error in PROC SORT did not cause the program to stop; SAS continued processing the next steps. B is incorrect because the PROC SORT step did not run successfully. D is incorrect because the PROC PRINT step did not fail; it ran successfully.
SAS documentation on error messages.
Understanding the SAS log and error messages.
Which PROC MEANS statements specifies variables to group the data before calculating statistics?
In the context of the PROC MEANS procedure in SAS, the CLASS statement is used to specify categorical variables whose unique values group the data before calculating statistics. This allows PROC MEANS to calculate statistics like the mean, sum, or standard deviation for each class or group of data defined by the CLASS variables.
The CLASS statement works as follows:
class variable-list; specifies one or more variables to define groups for analysis.
When used, PROC MEANS computes the requested statistics for each level of the variables listed, which can be very helpful for analyzing how groups compare across different statistics.
The other options are not used in the PROC MEANS procedure to specify grouping of data:
B . GROUP is not a valid statement in PROC MEANS.
C . SUMBY is not a valid statement in SAS.
D . VAR is used in PROC MEANS to specify the analysis variables for which statistics are to be computed, not to group the data.
Fill in blank
What is the default byte size of a numeric variable?
Thedefault lengthofnumeric variablesin SAS data sets is ______bytes
Enter your numeric answer in the space above.
Thedefault lengthofnumeric variablesin SAS data sets is 8bytes.
In SAS, the default byte size of a numeric variable is 8 bytes. This allows for a significant amount of precision and a wide range of numeric values to be stored within a numeric variable, regardless of the actual number of digits in the number being stored.
SAS documentation on numeric variables, SAS Institute.
Which program assigns the library reference exlib to the CLASS. XLSX workbook and displays the CLASS_TEST worksheet?
The correct answer is option D, which uses the LIBNAME statement correctly to assign a library reference to an Excel workbook and specifies the correct syntax for accessing a worksheet within that workbook. The syntax for this option is:
libname exlib xlsx 'c:\class.xlsx';
proc print data=exlib.class_test;
run;
This code snippet assigns the library reference exlib to the Excel workbook located at c:\class.xlsx using the XLSX engine. The PROC PRINT step is then used to display the contents of the worksheet named CLASS_TEST within that workbook. The library reference exlib combined with the dataset name class_test (following the .) correctly specifies the worksheet to be printed. The other options (A, B, C) are incorrect due to various reasons: incorrect syntax for the LIBNAME statement, incorrect specification of the dataset to be printed, and incorrect path specifications. Reference: SAS 9.4 Guide to Software Updates.
Which PROC MEANS step generates the report below?

The correct syntax for generating the mean and standard deviation for specified variables using PROC MEANS is shown in option A. The PROC MEANS statement specifies the dataset to analyze (data=class) and includes the options (mean std) directly in the PROC statement. The VAR statement then lists the variables for which the statistics should be calculated (Height and Weight). The other options listed in B, C, and D are not correct syntax for PROC MEANS.
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