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IGNOU ECO-07 Elements of Statistics - IGNOU Solved Assignment (Latest)

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IGNOU BBA ECO-07 (January 2026 – December 2026) Assignment 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 economic decision-making.

Q.5 Describe the construction of frequency distribution. Explain the concept of class intervals and class limits with suitable examples.

Q.6 Explain 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

 

IGNOU BBA ECO-07 (January 2025 – December 2025) Assignment Questions

Q.1 Differentiate between the primary and secondary data. Explain different methods of collecting primary data and the sources of secondary data.

Q.2 a) Calculate the Arithmetic Mean from the following data:

b) Draw a histogram and a frequency polygon from the following data:

b) Draw a histogram and a frequency polygon from the following data:

Additional information :
i. Arithmetic mean is 40.11.
ii. Standard deviation is 2.96.
iii. Model class is 39–42.

b) Explain convenience and judgement sampling methods in brief.

Q.4 a) Describe the importance of visual presentation of data.
b) Discuss the importance of Statistics in Business.

Q.5 Write short notes on the following:

a) Statistical survey
b) Application of Ratios
c) Geometric Mean
d) Variance

IGNOU BBA ECO-07 (January 2026 – December 2026) Assignment Questions

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) सूचकांक संख्याएँ
(ग) प्रकीर्णन के निरपेक्ष माप
(घ) आँकड़ा संग्रह की जनगणना विधि

IGNOU BBA ECO-07 (January 2025 – December 2025) Assignment Questions

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।

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

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

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
(छ) गुणोत्तर मध्य
(घ) प्रसरण

ECO-07 Assignments Details

University : IGNOU (Indira Gandhi National Open University)
Title :Elements of Statistics
Language(s) : English, Hindi
Code : ECO-07
Degree :
Subject : Mathematics
Course : Core Courses (CC)
Author : Gullybaba.com Panel
Publisher : Gullybaba Publishing House Pvt. Ltd.

IGNOU ECO-07 (BBA Jan 26 - Dec 26, BBA Jan 25 - Dec 25) - Solved Assignment

Are you looking to download a PDF soft copy of the Solved Assignment ECO-07 – Elements of Statistics Then GullyBaba is the right place for you. We have the Assignment available in Urdu language. This particular Assignment references the syllabus chosen for the subject of Hindi, English, for the BBA Jan 26 - Dec 26, BBA Jan 25 - Dec 25 session. The code for the assignment is ECO-07 and it is often used by students who are enrolled in the B.COM, BBA, IGNOU Solved Assignments Degree. Once students have paid for the Assignment, they can Instantly Download to their PC, Laptop or Mobile Devices in soft copy as a PDF format. After studying the contents of this Assignment, students will have a better grasp of the subject and will be able to prepare for their upcoming tests.

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The IGNOU open learning format requires students to submit study Assignments. Here is the final end date of the submission of this particular assignment according to the university calendar.

  • 30th April (if Enrolled in the June Exams)
  • 31st October (if Enrolled in the December Exams).

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Elements of Statistics

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