# Assignment: Regression Analysis and Quantitative Techniques

**Topics:**Arithmetic mean, Regression analysis, Standard deviation

**Pages:**9 (2013 words)

**Published:**January 23, 2015

F-2,Block, Amity Campus

Sec-125, Nodia (UP)

India 201303

ASSIGNMENTS

PROGRAM:

SEMESTER-I

Subject Name :

Study COUNTRY :

Permanent Enrollment Number (PEN) :

Roll Number : Student Name : INSTRUCTIONS

a) Students are required to submit all three assignment sets.

ASSIGNMENT

DETAILS

MARKS

Assignment A

Five Subjective Questions

10

Assignment B

Three Subjective Questions + Case Study

10

Assignment C

40 Objective Questions

10

b) Total weightage given to these assignments is 30%. OR 30 Marks c) All assignments are to be completed as typed in word/pdf. d) All questions are required to be attempted.

e) All the three assignments are to be completed by due dates (specified from time to time) and need to be submitted for evaluation by Amity University. f) The evaluated assignment marks will be made available within six weeks. Thereafter, these will be destroyed at the end of each semester. g) The students have to attached a scan signature in the form.

Signature:_________________________________

Date:_________________________________

( √ ) Tick mark in front of the assignments submitted

Assignment ‘A’

Assignment ‘B’

Assignment ‘C’

Quantitative Applications in Management and Research

Assignment –A

Ques.1 Comment on “Quantitative Techniques is a scientific and for enhancing creative and judicious capabilities of a decision maker”, also state the different elements of Decision.

Ques. 2 The raw data displayed here are the scores (out of 100 marks) of a market survey regarding the acceptability of a new product launch by a company for a random sample of 50 respondents

40454145453039848

2526923242629840

414239351825354042

434436273228272526

383736353238404143

4445403941

a. Form a frequency distribution having 9 class intervals

b. Form a percentage distribution from the frequency distribution (from part a) c. Form a histogram, frequency polygon and frequency curve of the frequency distribution (from part a)

Ques.3 Compute the mean, standard deviation and Coefficient of variation of the following data and comment on the result

Size

Frequency

12.5

13.0

13.5

14.0

14.5

15.0

15.5

16.0

4

19

30

63

66

29

18

1

Ques.4 Following figures give the rainfall in inches for the year and the production in 00’ of Kgs. For the Rabi crop and Kharif crop. Calculate the Karl Pearson’s coefficient of correlation, between rainfall and total production and comment on the result.

Rainfall

Rabi Production

Kharif Production

20

15

15

22

18

17

24

20

20

26

32

18

28

40

20

30

39

21

32

40

15

Ques.5 The marks obtained by Nine students in Physics and Mathematics are given below:

Marks in Physics:3523471710439628

Marks in Mathematics:3033452384912431

Compute their ranks in the two subjects and coefficient of correlation of ranks.

Assignment –B

Ques.1 i. Define Binomial, Poisson and Normal distribution.

ii. Four cards are drawn at random from a pack of 52 playing cards. Find the probability of getting a. all the four cards of the same suit

b. all the four cards of the same number

c. one card from each suit

d. two red cards and two black cards

e. all cards of the same colour

f. all face cards

Ques.2 The following table gives the aptitude test scores and productivity indices of 10 workers selected at random:

Aptitude scores(X)60626570724853736582

Productivity index(Y) 68606280854052626081

Calculate the two regression equations and estimate

a. The productivity index of a worker whose test score is 92 b. The test score of a worker whose productivity index is 75

Ques.3 Discuss the different components of a...

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