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ECO 7: Elements of Statistics

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Title Name IGNOU BBA ECO 7 SOLVED ASSIGNMENT
Type Soft Copy (E-Assignment) .pdf
University IGNOU
Degree BACHELOR DEGREE PROGRAMMES
Course Code BBA
Course Name Bachelor of Business Administration
Subject Code ECO 7
Subject Name Elements of Statistics
Year 2026
Session -
Language English Medium
Assignment Code ECO 7/Assignment-1/2026
Product Description Assignment of BBA (Bachelor of Business Administration) 2026. Latest ECO 07 2026 Solved Assignment Solutions
Last Date of IGNOU Assignment Submission Last Date of Submission of IGNOU BEGC-131 (BAG) 2025-26 Assignment is for January 2026 Session: 30th September, 2026 (for December 2025 Term End Exam).

Semester Wise
January 2025 Session: 30th March, 2026 (for June 2026 Term End Exam).
July 2025 Session: 30th September, 2025 (for December 2025 Term End Exam).
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  • July 2026 Session: 15th October, 2026
  • January 2026 Session: 15th March, 2026
  • July 2026 Session: 15th October, 2026

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ECO 07 (January 2026 - July 2026) - ENGLISH

TUTOR MARKED ASSIGNMENT

Course Code :

ECO-07

Course Title :

ELEMENTS OF STATISTICS

Assignment Code :

ECO-07/TΜΑ/2026

Coverage :

ALL BLOCKS

Maximum Marks: 100

Attempt all the questions:

Q.1 Explain the scope and importance of Statistics in economic analysis. Discuss the limitations of statistical methods and examine how misuse of statistics can lead to misleading conclusions.

Q.2 Describe the various methods of collection of statistical data. Critically evaluate primary and secondary data with reference to reliability, suitability, and sources.

Q.3 Explain the concept of measures of central tendency. Compare arithmetic mean, median, and mode, and discuss the situations in which each measure is

most appropriate.

Q.4 Discuss the concept of correlation and regression. Explain the methods of measuring correlation and analyse the significance of regression analysis in

Q.5economic decision-making.

Describe the construction of frequency distribution. Explain the concept of

class intervals and class limits with suitable examples.

Q.6Explain the concept of time series. Discuss the components of time series

and their importance in economic forecasting.

Q.7 Write short notes on the following:

a) Quartile Deviation

b) Index Numbers

c) Absolute Measures of Dispersion

d) Census Method of Data Collection


ECO 7 2025 - Hindi

अध्यापक जाँच सत्रीय कार्य

पाठ्यक्रम का कोड : ई. सी. ओ. -07

पाठ्यक्रम का शीर्षक : सांख्यिकी के तत्व

सत्रीय कार्य का कोड : ई. सी. ओ. -07/टी. एम. ए./ 2025

खण्डों की संख्या : सभी खण्ड

अधिकतम अंक : 100

सभी प्रश्नों के उत्तर दीजिए।

1. प्राथमिक और द्वितीयक आंकड़ो के बीच अंतर करे। प्राथमिक और द्वितीयक आंकड़ो को एकत्र करने के विभिन्न विधियों को समझाइए । 

2. क) निम्नलिखित आंकड़ों के समांतर माध्य की गणना कीजिए। 

कुल विक्रय (हजारों में) विक्रयकर्ताओं की संख्या
0-5 3
5-10 12
10-25 25
25-50 10

ख) निम्नलिखित आंकड़ो से आयत- चित्र तथा आवृति बहुभुज की रचना कीजिए :

वर्ग f
10-20 10
20-30 20
30-40 30
40-50 25
50-60 10

Q.3 क) निम्नलिखित आंकड़ों से कार्ल पीयर्सन का वैषम्य गुणांक ज्ञात कीजिए :

वर्ग आवृति
30—33 2
33—36 4
36—39 26
39—42 47
42—45 15
45—48 6

अतिरिक्त सूचनाएँ

क) समान्तर माध्य 40.11 है।

ख) मानक विचलन 2.96 है।

ग) भूयिष्क वर्ग 39-42 है।

ख) सुविधा प्रतिचयन तथा विवेक प्रतिचयन विधियों की संक्षिप्त व्याख्या कीजिए।

4. क) आंकड़ो के दृश्य प्रस्तुतीकरण के महत्व का वर्णन कीजिए।

ख) व्यवसाय में सांख्यिकी के महत्व की चर्चा कीजिए।

5. निम्नलिखित पर संक्षिप्त टिप्पणीयाँ लिखिए :

(क) सांख्यिकी सर्वेक्षण

(ख) अनुपातों का उपयोग

(ग) गुणोत्तर मध्य

(घ) प्रसरण


ECO 07 (January 2026 - July 2026) - HINDI

अध्यापक जाँच सत्रीय कार्य

पाठ्यक्रम का कोड :

ई. सी. ओ. -07

पाठ्यक्रम का शीर्षक :

सांख्यिकी के तत्व

सत्रीय कार्य का कोड :

ई. सी. ओ. -07/टी. एम. ए./ 2026

: खण्डों की संख्या

सभी खण्ड

अधिकतम अंक : 100

सभी प्रश्नों के उत्तर दीजिए।

) 1. आर्थिक विश्लेषण में सांख्यिकी के क्षेत्र एवं महत्व की व्याख्या कीजिए। सांख्यिकीय विधियों की सीमाओं पर चर्चा कीजिए तथा यह स्पष्ट कीजिए कि सांख्यिकी के दुरुपयोग से किस प्रकार भ्रामक निष्कर्ष निकल सकते हैं।

2. सांख्यिकीय आँकड़ों के संग्रह की विभिन्न विधियों का वर्णन कीजिए। प्राथमिक एवं द्वितीयक आँकड़ों का विश्वसनीयता, उपयुक्तता तथा स्रोतों के संदर्भ में समालोचनात्मक मूल्यांकन कीजिए। 

3. केन्द्रीय प्रवृत्ति के मापों की अवधारणा की व्याख्या कीजिए। अंकगणितीय माध्य, माध्यिका तथा बहुलक की तुलना कीजिए तथा उन परिस्थितियों पर चर्चा कीजिए जिनमें प्रत्येक माप अधिक उपयुक्त होता है। 

4. सहसंबंध एवं प्रतिगमन की अवधारणा पर चर्चा कीजिए। सहसंबंध मापने की विभिन्न विधियों की व्याख्या कीजिए तथा आर्थिक निर्णय-निर्माण में प्रतिगमन विश्लेषण के महत्व का विश्लेषण कीजिए। 

5. आवृत्ति वितरण के निर्माण का वर्णन कीजिए। उपयुक्त उदाहरणों सहित वर्ग-अंतराल तथा वर्ग-सीमाओं की अवधारणा की व्याख्या कीजिए। 

6. समय श्रृंखला की अवधारणा की व्याख्या कीजिए। समय श्रृंखला के घटकों पर चर्चा कीजिए तथा आर्थिक पूर्वानुमान में उनके महत्व को स्पष्ट कीजिए। 

7. निम्नलिखित पर संक्षिप्त टिप्पणीयाँ लिखिए :

(क) चतुर्थक विचलन

(ख) इंडेक्स संख्याएँ

(ग) प्रकीर्णन के निरपेक्ष माप

(घ) आँकड़ा संग्रह की जनगणना विधि

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