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Bachelor's Degree Programme. (BDP). ASSIGNMENT. 2016-17. Elective Course in Commerce. ECO – 07: ELEMENTS OF STATISTICS
ECO - 07

Bachelor’s Degree Programme (BDP)

ASSIGNMENT 2016-17

Elective Course in Commerce ECO – 07: ELEMENTS OF STATISTICS

For July 2016 and January 2017 admission cycle

School of Management Studies Indira Gandhi National Open University Maidan Garhi, New Delhi -110 068

Elective Course in Commerce ECO – 07: Elements of Statistics ASSIGNMENT-2016-17

Dear Students, As explained in the Programme Guide, you have to do one Tutor Marked Assignment in this Course. Assignment is given 30% weightage in the final assessment. To be eligible to appear in the Term-end examination, it is compulsory for you to submit the assignment as per the schedule. Before attempting the assignments, you should carefully read the instructions given in the Programme Guide. This assignment is valid for two admission cycles (July 2016 and January 2017). The validity is given below: 1. Those who are enrolled in July2016, it is valid upto June 2017. 2. Those who are enrolled in January 2017, it is valid upto December 2017. You have to submit the assignment of all the courses to The Coordinator of your Study Centre. For appearing in June Term-end Examination, you must submit assignment to the Coordinator of your study Centre latest by 15th March. Similarly for appearing in December Term-end Examination, you must submit assignments to the Coordinator of your study Centre latest by 15th September.

TUTOR MARKED ASSIGNMENT Course Code Course Title Assignment Code Coverage

: : : :

ECO - 07 Elements of Statistics ECO – 07/TMA/2016-17 All Blocks Maximum Marks: 100

Attempt all the questions. 1.

(a)

Discuss the different types of enquiries that are used while organizing a statistical survey.

(b)

Describe the factors affecting the type of enquiry. (15+5)

2.

Describe in detail various types of diagrams and graphics presentation of data. (20)

3.

(a)

Calculate arithmetic mean from the data given below:

Marks No. of students

5 5

10 7

15 9

20 10

25 8

30 6

35 3

40 2

(8) (b)

Find out the median by drawing ogive and verify with the calculated result from the following distribution.

Class Frequency

0-10 5

10-20 10

20-30 14

30-40 20

40-50 35

50-60 15

60-70 1 (12)

4.

What is the meaning of Standard Deviation? What are the major steps involved in computation of Standard Deviation. Explain with the help of hypothetical data. Also discuss its merits and limitations (12+8)

5.

Write short notes on the following: (a)

Primary data and secondary data

(b)

Sampling and non sampling errors

(c)

Census and sampling

(d)

Schedule and questionnaire (4×5)

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