Reg. No.:
Name
:
MIDTERM EXAMINATIONS – July 2023
Programme
Course
Faculty
: 1 ½ Hours
Time
Q.No.
1
: B.Tech
: NASSCOM Future Skills - Associative Data
Analyst
:
Dr. Lakshmi D
Sub.
Sec.
(a)
(b)
(c)
(d)
(e)
Semester
Code
Slot/ Class
No.
Max. Marks
Answer all the Questions
: Fall 2023-24
:
NAS1001
:
B11+B12+B13+B14/207
: 50
Question Description
Write an R code to calculate the following statistical measures:
Mean
Median
Standard deviation
Variance
Correlation
Find linear regression equation for the following data:
X
2
4
6
8
y
3
7
5
10
Write an R code to do the following tasks.
Read an employee salary data using an excel file consisting of the following fields
such as EID, Name, Designation, Department, Basic, DA, Professional Tax, PPF, and
HRA.
Calculate Gross Salary and Net Salary.
Use the following taxation slab details.
2
3
Marks
2
2
2
2
2
10
10
What is an outlier? Write an R programming to find out the outlier in the dataset and
the indices of an outlier.
(b) Determine the interquartile range value, Q1, Q2, Q3, Inter Quartile Range, Maximum
and Minimum Limits of the box plot for the first twenty prime numbers.
(a) What is the scope of the document in an organization?
4 (a)
5
(b) What are the different formats of the document?
4
6
5
5
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