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| Title Name | IGNOU ECO 7 SOLVED ASSIGNMENT HINDI |
|---|---|
| Type | Soft Copy (E-Assignment) .pdf |
| University | IGNOU |
| Degree | BACHELOR DEGREE PROGRAMMES |
| Course Code | BCOM |
| Course Name | Bachelor in Commerce |
| Subject Code | ECO 7 |
| Subject Name | Elements of Statistics |
| Year | 2025 |
| Session | |
| Language | English Medium |
| Assignment Code | ECO-07/Assignmentt-1//2025 |
| Product Description | Assignment of BCOM (Bachelor in Commerce) 2025. Latest ECO 07 2025 Solved Assignment Solutions |
| Last Date of IGNOU Assignment Submission | Last Date of Submission of IGNOU ECO-07 (BCOM) 2025 Assignment is for January 2025 Session: 30th September, 2025 (for December 2025 Term End Exam). Semester Wise January 2025 Session: 30th March, 2025 (for June 2025 Term End Exam). July 2025 Session: 30th September, 2025 (for December 2025 Term End Exam). |
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Ques 1.
Differentiate between the primary and secondary data. Explain different methods of collecting primary data and the sources of secondary data.
Ques 2.
Calculate the Arithmetic Mean from the following data:
| Total Sales (in thousands) | Number of Salespersons |
| 0-5 | 3 |
| 5-10 | 12 |
| 10-25 | 25 |
| 25-50 | 10 |
Draw a histogram and a frequency polygon from the following data:
| Classes | f |
| 10-20 | 10 |
| 20-30 | 20 |
| 30-40 | 30 |
| 40-50 | 25 |
| 50-60 | 10 |
Ques 3.
Compute Karl Pearson's coefficient of skewness from the following data:
| Classes | Frequency |
| 30—33 | 2 |
| 33—36 | 4 |
| 36—39 | 26 |
| 39—42 | 47 |
| 42—45 | 15 |
| 45—48 | 6 |
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.
Ques 4.
Describe the importance of visual presentation of data.
Ques 5.
Discuss the importance of Statistics in Business.
Ques 6.
Statistical survey
Ques 7.
Application of Ratios
Ques 8.
Geometric Mean
Ques 9.
Variance
Ques 10.
प्राथमिक और द्वितीयक आंकड़ो के बीच अंतर करे। प्राथमिक और द्वितीयक आंकड़ो को एकत्र करने के विभिन्न विधियों को समझाइए ।
Ques 11.
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 |
Ques 12.
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 |
Ques 13.
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।
Ques 14.
सुविधा प्रतिचयन तथा विवेक प्रतिचयन विधियों की संक्षिप्त व्याख्या कीजिए।
Ques 15.
आंकड़ो के दृश्य प्रस्तुतीकरण के महत्व का वर्णन कीजिए।
Ques 16.
व्यवसाय में सांख्यिकी के महत्व की चर्चा कीजिए।
Ques 17.
सांख्यिकी सर्वेक्षण
Ques 18.
अनुपातों का उपयोग
Ques 19.
गुणोत्तर मध्य
Ques 20.
प्रसरण
Ques 21.
Differentiate between the primary and secondary data. Explain different methods of collecting primary data and the sources of secondary data.
Ques 22.
Calculate the Arithmetic Mean from the following data:
| Total Sales (in thousands) | Number of Salespersons |
| 0-5 | 3 |
| 5-10 | 12 |
| 10-25 | 25 |
| 25-50 | 10 |
Draw a histogram and a frequency polygon from the following data:
| Classes | f |
| 10-20 | 10 |
| 20-30 | 20 |
| 30-40 | 30 |
| 40-50 | 25 |
| 50-60 | 10 |
Ques 23.
Compute Karl Pearson's coefficient of skewness from the following data:
| Classes | Frequency |
| 30—33 | 2 |
| 33—36 | 4 |
| 36—39 | 26 |
| 39—42 | 47 |
| 42—45 | 15 |
| 45—48 | 6 |
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.
Ques 24.
Describe the importance of visual presentation of data.
Ques 25.
Discuss the importance of Statistics in Business.
Ques 26.
Statistical survey
Ques 27.
Application of Ratios
Ques 28.
Geometric Mean
Ques 29.
Variance
Ques 30.
प्राथमिक और द्वितीयक आंकड़ो के बीच अंतर करे। प्राथमिक और द्वितीयक आंकड़ो को एकत्र करने के विभिन्न विधियों को समझाइए ।
Ques 31.
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 |
Ques 32.
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 |
Ques 33.
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।
Ques 34.
सुविधा प्रतिचयन तथा विवेक प्रतिचयन विधियों की संक्षिप्त व्याख्या कीजिए।
Ques 35.
आंकड़ो के दृश्य प्रस्तुतीकरण के महत्व का वर्णन कीजिए।
Ques 36.
व्यवसाय में सांख्यिकी के महत्व की चर्चा कीजिए।
Ques 37.
सांख्यिकी सर्वेक्षण
Ques 38.
अनुपातों का उपयोग
Ques 39.
गुणोत्तर मध्य
Ques 40.
प्रसरण
Ques 41.
Differentiate between the primary and secondary data. Explain different methods of collecting primary data and the sources of secondary data.
Ques 42.
Calculate the Arithmetic Mean from the following data:
| Total Sales (in thousands) | Number of Salespersons |
| 0-5 | 3 |
| 5-10 | 12 |
| 10-25 | 25 |
| 25-50 | 10 |
Draw a histogram and a frequency polygon from the following data:
| Classes | f |
| 10-20 | 10 |
| 20-30 | 20 |
| 30-40 | 30 |
| 40-50 | 25 |
| 50-60 | 10 |
Ques 43.
Compute Karl Pearson's coefficient of skewness from the following data:
| Classes | Frequency |
| 30—33 | 2 |
| 33—36 | 4 |
| 36—39 | 26 |
| 39—42 | 47 |
| 42—45 | 15 |
| 45—48 | 6 |
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.
Ques 44.
Describe the importance of visual presentation of data.
Ques 45.
Discuss the importance of Statistics in Business.
Ques 46.
Statistical survey
Ques 47.
Application of Ratios
Ques 48.
Geometric Mean
Ques 49.
Variance
Ques 50.
प्राथमिक और द्वितीयक आंकड़ो के बीच अंतर करे। प्राथमिक और द्वितीयक आंकड़ो को एकत्र करने के विभिन्न विधियों को समझाइए ।
Ques 51.
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 |
Ques 52.
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 |
Ques 53.
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।
Ques 54.
सुविधा प्रतिचयन तथा विवेक प्रतिचयन विधियों की संक्षिप्त व्याख्या कीजिए।
Ques 55.
आंकड़ो के दृश्य प्रस्तुतीकरण के महत्व का वर्णन कीजिए।
Ques 56.
व्यवसाय में सांख्यिकी के महत्व की चर्चा कीजिए।
Ques 57.
सांख्यिकी सर्वेक्षण
Ques 58.
अनुपातों का उपयोग
Ques 59.
गुणोत्तर मध्य
Ques 60.
प्रसरण
Ques 61.
Differentiate between the primary and secondary data. Explain different methods of collecting primary data and the sources of secondary data.
Ques 62.
Calculate the Arithmetic Mean from the following data:
| Total Sales (in thousands) | Number of Salespersons |
| 0-5 | 3 |
| 5-10 | 12 |
| 10-25 | 25 |
| 25-50 | 10 |
Draw a histogram and a frequency polygon from the following data:
| Classes | f |
| 10-20 | 10 |
| 20-30 | 20 |
| 30-40 | 30 |
| 40-50 | 25 |
| 50-60 | 10 |
Ques 63.
Compute Karl Pearson's coefficient of skewness from the following data:
| Classes | Frequency |
| 30—33 | 2 |
| 33—36 | 4 |
| 36—39 | 26 |
| 39—42 | 47 |
| 42—45 | 15 |
| 45—48 | 6 |
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.
Ques 64.
Describe the importance of visual presentation of data.
Ques 65.
Discuss the importance of Statistics in Business.
Ques 66.
Statistical survey
Ques 67.
Application of Ratios
Ques 68.
Geometric Mean
Ques 69.
Variance
Ques 70.
प्राथमिक और द्वितीयक आंकड़ो के बीच अंतर करे। प्राथमिक और द्वितीयक आंकड़ो को एकत्र करने के विभिन्न विधियों को समझाइए ।
Ques 71.
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 |
Ques 72.
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 |
Ques 73.
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।
Ques 74.
सुविधा प्रतिचयन तथा विवेक प्रतिचयन विधियों की संक्षिप्त व्याख्या कीजिए।
Ques 75.
आंकड़ो के दृश्य प्रस्तुतीकरण के महत्व का वर्णन कीजिए।
Ques 76.
व्यवसाय में सांख्यिकी के महत्व की चर्चा कीजिए।
Ques 77.
सांख्यिकी सर्वेक्षण
Ques 78.
अनुपातों का उपयोग
Ques 79.
गुणोत्तर मध्य
Ques 80.
प्रसरण
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| Course Name | Bachelor in Commerce |
| Course Code | BCOM |
| Programm | BACHELOR DEGREE PROGRAMMES Courses |
| Language | English |
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