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SAS Quiz – SAS Multiple Choice Questions and Answers: Here in this article, candidates can get the data on SAS Multiple Choice Questions and Answers details. All the aspirants can participate in the SAS Online Quiz to enhance their skills in the SAS topics. And also by practicing the SAS Quiz Questions & Answers, aspirants will get an idea of the various types of SAS Practice Questions. To get placed in the interviews, and placement exams, students can learn all the topics associated with the SAS Concepts by preparing the SAS MCQ Questions.
SAS Quiz – Overview
| Quiz Name | SAS Quiz |
| Exam Type | MCQ (Multiple Choice Questions) |
| Category | Technical Quiz |
| Mode of Quiz | Online |
Practice SAS Multiple Choice Questions and Answers
1. What does SAS stand for?
A) Statistical Analysis System
B) System Analysis Software
C) Systematic Analysis System
D) Statistic Analysis Software
Answer: A) Statistical Analysis System.
Explanation: SAS stands for Statistical Analysis System. It is a software suite used for data management, advanced analytics, and business intelligence.
2. Which of the following is NOT a component of SAS software?
A) SAS/STAT
B) SAS/ACCESS
C) SAS/GRAPH
D) SAS/COBOL
Answer: D) SAS/COBOL
Explanation: SAS/COBOL is not a component of SAS software. SAS/STAT, SAS/ACCESS, and SAS/GRAPH are all components of SAS software.
3. What is SAS Enterprise Guide?
A) A programming environment for SAS
B) A data visualization tool
C) A data modeling tool
D) A database management system
Answer: A) A programming environment for SAS
Explanation: SAS Enterprise Guide is a programming environment for SAS. It provides an interface for users to create, manage, and run SAS programs.
4. Which of the following is a valid SAS variable name?
A) 123ABC
B) _abc123
C) abc.def
D) 123_abc
Answer: B) _abc123
Explanation: A valid SAS variable name can only contain letters, numbers, or underscores, and must begin with a letter or underscore. Therefore, _abc123 is a valid SAS variable name.
5. What is the default delimiter for SAS input data?
A) Tab
B) Comma
C) Space
D) Pipe (|)
Answer: C) Space
Explanation: The default delimiter for SAS input data is a space. However, other delimiters such as commas, tabs, and pipes can be used as well.
6. Which of the following is NOT a valid SAS statement?
A) DATA statement
B) PROC statement
C) IF statement
D) RUN statement
Answer: C) IF statement
Explanation: The IF statement is not a SAS statement. It is a programming construct used within SAS programs. The DATA statement, PROC statement, and RUN statement are all valid SAS statements.
7. Which of the following SAS procedures is used for basic statistical analysis?
A) PROC SQL
B) PROC MEANS
C) PROC REPORT
D) PROC FORMAT
Answer: B) PROC MEANS
Explanation: PROC MEANS is a SAS procedure used for basic statistical analysis. It calculates summary statistics such as mean, median, standard deviation, and minimum and maximum values.
8. What is the purpose of the SAS FORMAT statement?
A) To specify the input format of data
B) To specify the output format of data
C) To create a new variable
D) To filter observations in a data set
Answer: B) To specify the output format of data
Explanation: The SAS FORMAT statement is used to specify the output format of data. It can be used to control the appearance of variables in output tables, reports, and graphs.
9. Which SAS procedure is used for data manipulation and transformation?
A) PROC SQL
B) PROC FORMAT
C) PROC REPORT
D) PROC TRANSPOSE
Answer: A) PROC SQL
Explanation: PROC SQL is a SAS procedure used for data manipulation and transformation. It provides SQL-like syntax for querying, joining, and manipulating data sets.
10. What is the purpose of the SAS RETAIN statement?
A) To create a new variable
B) To modify an existing variable
C) To retain the value of a variable across iterations of a data step
D) To drop observations from a data set
Answer: C) To retain the value of a variable across iterations of a data step
Explanation: The SAS RETAIN statement is used to retain the value of a variable across iterations of a data step. It can be used to create running totals or to track the previous value of a variable.
11. Which of the following is a valid SAS macro variable name?
A) %123ABC
B) &_abc123
C) &abc.def
D) &123_abc
Answer: B) &_abc123
Explanation: A valid SAS macro variable name can begin with an underscore or a letter and can contain letters, numbers, or underscores. Therefore, &_abc123 is a valid SAS macro variable name.
12. Which SAS procedure is used for generating summary reports?
A) PROC FREQ
B) PROC MEANS
C) PROC REPORT
D) PROC TRANSPOSE
Answer: C) PROC REPORT
Explanation: PROC REPORT is a SAS procedure used for generating summary reports. It can be used to create tables, lists, and cross-tabulations from data sets.
13. What is the purpose of the SAS LABEL statement?
A) To specify the output format of data
B) To create a new variable
C) To assign labels to variables in a data set
D) To filter observations in a data set
Answer: C) To assign labels to variables in a data set
Explanation: The SAS LABEL statement is used to assign labels to variables in a data set. It can be used to provide descriptive names for variables or to clarify the meaning of variable values.
14. Which SAS procedure is used for generating graphical output?
A) PROC FREQ
B) PROC MEANS
C) PROC REPORT
D) PROC GPLOT
Answer: D) PROC GPLOT
Explanation: PROC GPLOT is a SAS procedure used for generating graphical output. It can be used to create scatter plots, line plots, and bar charts from data sets.
15. What is the purpose of the SAS ARRAY statement?
A) To create a new variable
B) To assign labels to variables in a data set
C) To group variables together for processing
D) To filter observations in a data set
Answer: C) To group variables together for processing
Explanation: The SAS ARRAY statement is used to group variables together for processing. It can be used to simplify repetitive data step processing or to calculate statistics for multiple variables.
16. Which SAS function is used for converting character values to numeric values?
A) INPUT
B) PUT
C) LENGTH
D) ROUND
Answer: A) INPUT
Explanation: The INPUT function is used for converting character values to numeric values. It can be used to convert values stored as text in a data set to numeric values that can be used in calculations.
17. Which SAS procedure is used for merging data sets?
A) PROC FREQ
B) PROC MEANS
C) PROC REPORT
D) PROC SQL
Answer: D) PROC SQL
Explanation: PROC SQL is a SAS procedure used for merging data sets. It can be used to combine data sets based on common variables or to join tables based on common keys.
18. What is the purpose of the SAS LENGTH statement?
A) To create a new variable
B) To modify an existing variable
C) To assign labels to variables in a data set
D) To specify the length of a variable
Answer: D) To specify the length of a variable
Explanation: The SAS LENGTH statement is used to specify the length of a variable. It can be used to set the maximum number of characters or numeric digits allowed for a variable.
19. Which SAS function is used for finding the minimum value of a variable?
A) MIN
B) MAX
C) MEAN
D) MEDIAN
Answer: A) MIN
Explanation: The MIN function is used for finding the minimum value of a variable. It can be used to calculate the smallest value in a set of numeric values.
20. Which SAS procedure is used for creating new variables?
A) PROC FREQ
B) PROC MEANS
C) PROC TRANSPOSE
D) DATA step
Answer: D) DATA step
Explanation: The DATA step is a SAS programming construct used for creating new variables. It can be used to perform data manipulation and transformation operations on data sets.
21. What is the purpose of the SAS SET statement?
A) To create a new data set
B) To modify an existing data set
C) To read data from an external file
D) To merge data sets
Answer: C) To read data from an external file
Explanation: The SAS SET statement is used to read data from an external file into a SAS data set. It can be used to import data from a variety of file formats.
22. Which SAS procedure is used for creating data tables?
A) PROC FREQ
B) PROC MEANS
C) PROC REPORT
D) PROC TABULATE
Answer: D) PROC TABULATE
Explanation: PROC TABULATE is a SAS procedure used for creating data tables. It can be used to summarize data and calculate statistics based on multiple variables.
23. Which SAS function is used for finding the maximum value of a variable?
A) MIN
B) MAX
C) MEAN
D) MEDIAN
Answer: B) MAX
Explanation: The MAX function is used for finding the maximum value of a variable. It can be used to calculate the largest value in a set of numeric values.
24. What is the purpose of the SAS DROP statement?
A) To create a new variable
B) To modify an existing variable
C) To drop variables from a data set
D) To filter observations in a data set
Answer: C) To drop variables from a data set
Explanation: The SAS DROP statement is used to drop variables from a data set. It can be used to remove unnecessary variables from a data set and to reduce the size of the data set.
25. Which SAS procedure is used for creating graphs?
A) PROC FREQ
B) PROC MEANS
C) PROC REPORT
D) PROC GPLOT
Answer: D) PROC GPLOT
Explanation: PROC GPLOT is a SAS procedure used for creating graphs. It can be used to create scatter plots, line plots, and bar charts from data sets.
26. What is the purpose of the SAS SORT procedure?
A) To sort observations in a data set
B) To summarize data in a data set
C) To create new variables
D) To modify existing variables
Answer: A) To sort observations in a data set
Explanation: The SAS SORT procedure is used to sort observations in a data set. It can be used to order observations based on one or more variables in ascending or descending order.
27. Which SAS function is used for finding the median value of a variable?
A) MIN
B) MAX
C) MEAN
D) MEDIAN
Answer: D) MEDIAN
Explanation: The MEDIAN function is used for finding the median value of a variable. It can be used to calculate the middle value in a set of numeric values.
28. What is the purpose of the SAS KEEP statement?
A) To create a new variable
B) To modify an existing variable
C) To keep variables in a data set
D) To filter observations in a data set
Answer: C) To keep variables in a data set
Explanation: The SAS KEEP statement is used to keep variables in a data set. It can be used to select only the necessary variables from a data set and to reduce the size of the data set.
29. Which SAS procedure is used for creating summary reports?
A) PROC FREQ
B) PROC MEANS
C) PROC REPORT
D) PROC TABULATE
Answer: C) PROC REPORT
Explanation: PROC REPORT is a SAS procedure used for creating summary reports. It can be used to create reports that summarize data based on multiple variables and calculations.
30. What is the purpose of the SAS BY statement?
A) To create a new data set
B) To modify an existing data set
C) To read data from an external file
D) To group observations by variables
Answer: D) To group observations by variables
Explanation: The SAS BY statement is used to group observations by variables in a data set. It can be used to perform calculations and transformations on subsets of data based on grouping variables.
31. Which SAS function is used for finding the standard deviation of a variable?
A) STD
B) VAR
C) MEAN
D) MEDIAN
Answer: A) STD
Explanation: The STD function is used for finding the standard deviation of a variable. It can be used to calculate the spread of a set of numeric values.
32. Which SAS procedure is used for creating frequency tables?
A) PROC FREQ
B) PROC MEANS
C) PROC REPORT
D) PROC TABULATE
Answer: A) PROC FREQ
Explanation: PROC FREQ is a SAS procedure used for creating frequency tables. It can be used to calculate frequencies and percentages for categorical variables.
33. What is the purpose of the SAS RENAME statement?
A) To create a new variable
B) To modify an existing variable
C) To rename variables in a data set
D) To recode variables in a data set
Answer: C) To rename variables in a data set
Explanation: The SAS RENAME statement is used to rename variables in a data set. It can be used to change the names of variables to make them more descriptive or to conform to a naming convention.
34. Which SAS function is used for finding the sum of values in a variable?
A) SUM
B) MEAN
C) MEDIAN
D) STD
Answer: A) SUM
Explanation: The SUM function is used for finding the sum of values in a variable. It can be used to calculate the total value of a set of numeric values.
35. Which SAS procedure is used for creating tables of summary statistics?
A) PROC FREQ
B) PROC MEANS
C) PROC REPORT
D) PROC TABULATE
Answer: D) PROC TABULATE
Explanation: PROC TABULATE is a SAS procedure used for creating tables of summary statistics. It can be used to summarize data based on multiple variables and to calculate statistics such as means, standard deviations, and percentiles.
36. What is the purpose of the SAS IF-THEN statement?
A) To create a new variable
B) To modify an existing variable
C) To conditionally process observations in a data set
D) To merge data sets
Answer: C) To conditionally process observations in a data set
Explanation: The SAS IF-THEN statement is used to conditionally process observations in a data set. It can be used to apply certain operations or calculations only to observations that meet certain conditions.
37. What is the purpose of the SAS WHERE statement?
A) To create a new variable
B) To modify an existing variable
C) To filter observations in a data set
D) To join data sets
Answer: C) To filter observations in a data set
Explanation: The SAS WHERE statement is used to filter observations in a data set. It can be used to select only the necessary observations from a data set based on certain conditions.
38. Which SAS procedure is used for creating bar charts?
A) PROC CHART
B) PROC GCHART
C) PROC GPLOT
D) PROC SGPLOT
Answer: B) PROC GCHART
Explanation: PROC GCHART is a SAS procedure used for creating bar charts. It can be used to create vertical or horizontal bar charts for categorical variables.
39. Which SAS procedure is used for creating scatterplots?
A) PROC GPLOT
B) PROC REG
C) PROC SGPLOT
D) PROC CORR
Answer: A) PROC GPLOT
Explanation: PROC GPLOT is a SAS procedure used for creating scatterplots. It can be used to create scatterplots for two or more variables.
40. Which SAS function is used for finding the number of observations in a data set?
A) COUNT
B) SUM
C) MEAN
D) N
Answer: D) N
Explanation: The N function is used for finding the number of observations in a data set. It can be used to count the total number of observations in a data set.
41. Which SAS function is used for finding the length of a character variable?
A) LENGTH
B) LENGTHC
C) LENGTHM
D) LENGTHN
Answer: B) LENGTHC
Explanation: The LENGTHC function is used for finding the length of a character variable. It can be used to determine the number of characters in a character variable.
42. What is the purpose of the SAS DROP= and KEEP= options?
A) To create a new variable
B) To modify an existing variable
C) To drop or keep variables in a data set
D) To filter observations in a data set
Answer: C) To drop or keep variables in a data set
Explanation: The SAS DROP= and KEEP= options are used to drop or keep variables in a data set. They can be used to include or exclude specific variables from analysis.
43. Which SAS procedure is used for creating box plots?
A) PROC SGPLOT
B) PROC UNIVARIATE
C) PROC BOXPLOT
D) PROC GPLOT
Answer: B) PROC UNIVARIATE
Explanation: PROC UNIVARIATE is a SAS procedure used for creating box plots. It can be used to create box plots for one or more variables.
44. Which SAS function is used for finding the minimum value in a data set?
A) MIN
B) MAX
C) MEAN
D) RANGE
Answer: A) MIN
Explanation: The MIN function is used for finding the minimum value in a data set. It can be used to calculate the smallest value in a variable.
45. Which SAS function is used for finding the maximum value in a data set?
A) MIN
B) MAX
C) MEAN
D) RANGE
Answer: B) MAX
Explanation: The MAX function is used for finding the maximum value in a data set. It can be used to calculate the largest value in a variable.
46. What is the purpose of the SAS MERGE statement?
A) To create a new variable
B) To modify an existing variable
C) To merge two or more data sets
D) To filter observations in a data set
Answer: C) To merge two or more data sets
Explanation: The SAS MERGE statement is used to merge two or more data sets. It can be used to combine data from multiple data sets based on one or more common variables.
47. Which SAS procedure is used for creating histograms?
A) PROC SGPLOT
B) PROC GPLOT
C) PROC UNIVARIATE
D) PROC GCHART
Answer: C) PROC UNIVARIATE
Explanation: PROC UNIVARIATE is a SAS procedure used for creating histograms. It can be used to create histograms for one or more variables.
48. Which SAS function is used for finding the standard deviation in a data set?
A) STD
B) VAR
C) MEAN
D) STDEV
Answer: D) STDEV
Explanation: The STDEV function is used for finding the standard deviation in a data set. It can be used to calculate the variability of a variable.
49. Which SAS procedure is used for creating scatter plots?
A) PROC SGPLOT
B) PROC GPLOT
C) PROC UNIVARIATE
D) PROC SCATTER
Answer: A) PROC SGPLOT
Explanation: PROC SGPLOT is a SAS procedure used for creating scatter plots. It can be used to create scatter plots for one or more variables.
50. Which SAS function is used for finding the median value in a data set?
A) MEDIAN
B) MEAN
C) MODE
D) RANGE
Answer: A) MEDIAN
Explanation: The MEDIAN function is used for finding the median value in a data set. It can be used to calculate the middle value of a variable when the data is arranged in order.
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