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ECO-07 Elements of statistics in English SOLVED ASSIGNMENT 2019-2020

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Course Code : ECO – 07
Course Title : ELEMENTS OF STATISTICS
Assignment Code : ECO-07-11/TMA/2019-20
Coverage : All Blocks
( ECO-7 IN ENGLISH MEDIUM )

SKU: ECO-07 EM Categories: , ,

Description

ECO-07 Elements of statistics SOLVED ASSIGNMENT 2019-2020

Course Code : ECO – 07
Course Title : ELEMENTS OF STATISTICS
Assignment Code : ECO – 07 – 11/TMA/2019-20
Coverage : All Blocks

Title Name ECO-07 Company Law Solved Assignment 2019-20
University IGNOU
Service Type Solved Assignment (Soft copy/PDF)
Course BCOM
Language ENGLISH
Semester 2019-2020 Course: BCOM
Session 2019-20
Short Name ECO-07 (ENGLISH)
Assignment Code ECO – 07 – 11/TMA/2019-20
Product Assignment of BCOM 2019-2020 (IGNOU)
Submission Date 1. Those who are enrolled in July 2019, it is valid up to June 2020.
2. Those who are enrolled in January 2020, it is valid up to December 2020.
Price RS. 100 60

Attempt all the questions
1. What is statistical survey? Discuss the steps to be followed while conducting statistical survey. (20)
2. Central tendency, dispersion an skewness are three different measures to analyse numerical data.
Comment. (20)
3. Calculate a) Mean, b) Variance and c) Standard deviation from the following frequency distribution:-

(20)
4. a) What is the relationship between Mean. Median and Mode:
(i) Symmetrical curve
(ii) A negatively slewed curve
(iii) A positively skewed curve
b) For a frequency distribution: Q3-Q2 = 40 & Q2-Q1=60 Find coefficient of skewness.
(10+10)
5. Write short notes on the following – (5×4)
a) Principle of preparing graphs.
b) Statistical Table
c) Data Array
d) Properties of Normal Curve.

ECO-07, ECO-7, ECO 07, ECO 7, ECO07, ECO

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