Which one of the following is the value of the variable data work.one;a = 2;b = 3; c = a ** b;run.Write data step to assign work dataset, say ABC with limitation of 10 observations only?

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

Section A: Objective Type & Short Questions (30 marks) Part one:

Multiple choice:

1 Which one of the following is the value of the variable data work.one;a = 2;b = 3; c = a ** b;run;(1)

1. 6

2. 8

3. 9

4. None of the above

2 Which one of the following statement can’t be part of “PROC FREQ” (1)

1. 1. Output

   2. Weight

   3. Set

   4. Tables

3 Which one is not a data type in SAS (1)

1. Numeric

2. Date

3. Character

4. Boolean

4 Which of the following statements are used to read the delimited raw data file and create a SAS data set (1)

1. 1. Data, Infile, Input

   2. Data, Set, Input

   3. Data, Set, Infile

   4. Data & Set

5 Which of these is casual modeltechnique  (1)

1. Moving average

2. Exponential Smoothing

3. Regression

4. Trend Model

6 When variance between predicted and actual values is not same, it is called – (1)

1. Multicolinearity

2. Heteroskedasticity

3. Homoscadesticity

4. Autocorrelation

7 Is there a limitation of records in SAS? (1)

1. 1. No

   2. Ye

   3. Can’t say

   4. None of the above

8 what is syntax used for assigning library in SAS (1)

1. 1. LibSet

   2. LibData

   3. Data

   4. Libname

10 Which one is not a window in SAS (1)

1. 1. Editor

   2. Log

   3. drive

   4. results

11 What is the syntax to print results in SAS  (1)

1. 1. Proc set

   2. Proc print var

   3. Proc Print

   4. Proc Sql

Part Two 

1 Write data step to assign work dataset, say ABC with limitation of 10 observations only? (5)

2 Write the role of PDV in SAS (5)

3 Explain lib name function with read-only access (5)

4 What is the starting date in SAS, how does SAS reads any given date (5)

Section B: Caselets (40 marks)

• This section consists of

• Answer all the questions.

• Each Caselet carries

• Detailed information should form the part of your answer (Word limit 150 to 200 words

Caselet 1

1. Answer the question based on data given below. Name of the dataset is class-

 

Roll Number	Class	Age	Gender	Subject	Sports
001	1	10	M	Maths	Cricket

 

002	1	11	M	English	Tennis
003	2	9	F	Maths	Football
004	4	7	F	Science	Football
005	3	7	M	Maths	Cricket
006	5	10	F	Science	Tennis
007	3	7	F	Art	Cricket

Questions

 

1. Write code to see frequency distribution by Gender & Subject? (10)

2. Write code to filter student age less than 10 and like football and Maths? (10)

3. Write code to sort the data by age? (10)

4. Which sport has the maximum demand, write code tosee proportionate (10)

Section C: Applied Theory (30 marks)

• This section consists of Applied Theory

• Answer all the questions.

• Each question carries

• Detailed information should form the part of your answer (Word limit 200 to 250 words).

 

1. Explain how SAS can replace excel, talk about 3 key features of SAS? (15)

2. What is the meaning of debugging in SAS, how can it help in code writing?

(15)

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