LU B.Com Sem 3 Statistical Methods Important Questions 2026 | PYQ & Previous Year Paper Pattern
LU B.Com 3rd Semester Statistical Methods Important Questions 2026 – Lucknow University (LU) aur affiliated colleges ke B.Com NEP Semester III students ke liye Statistical Methods (Major-A, Paper P6) ke sabse important questions, bilkul previous year question paper (PYQ) pattern me. Saare questions neeche page par hi hain – section-wise, English me, tables ke saath.
👉 Course dekho – ₹149
Paper Details – B.Com Sem 3 Statistical Methods (LU NEP 2026)
| University | University of Lucknow (LU) + affiliated colleges |
| Course | B.Com. III Semester (NEP) |
| Subject | Statistical Methods (सांख्यिकीय विधियाँ) |
| Paper | Major-A – Paper P6 |
| Time / Marks | 2 Hours / 75 Marks |
| Pattern | Section A: 1 question × 15 marks · Section B: 3 questions × 20 marks |
Important topics: Sampling, Mean/Median/Mode, Dispersion & CV, Skewness, Correlation, Regression aur Interpolation.
Section A – Important Questions (15 Marks)
Note: Section A se koi ek question attempt karna hai.
Q1. [15 Marks]
“Statistics can be defined as collection, presentation, analysis and interpretation of numerical data.” Explain. Also discuss the nature, scope and limitations of Statistics.
Q2. [15 Marks]
The runs scored by two batsmen A and B in ten innings are given below. Calculate the Coefficient of Variation and state which batsman is more consistent.
| Batsman A | 12 | 115 | 6 | 73 | 7 | 19 | 119 | 36 | 84 | 29 |
|---|---|---|---|---|---|---|---|---|---|---|
| Batsman B | 47 | 12 | 76 | 42 | 4 | 51 | 37 | 48 | 13 | 0 |
👉 B.Com Sem III Course – ₹149
Q3. [15 Marks]
Distinguish between Census and Sampling methods of investigation. Explain the various methods of sampling (random and non-random). What are the essentials of a good sample?
Q4. [15 Marks]
Distinguish between Primary and Secondary data. Explain the various methods of collecting primary data. What precautions should be taken while using secondary data?
👉 B.Com Sem III Course – ₹149
Section B – Important Questions (20 Marks)
Note: Section B se koi teen questions attempt karne hain.
Q5. [20 Marks]
Explain the ‘Law of Statistical Regularity’ and the ‘Law of Inertia of Large Numbers’. What is a Statistical Unit? Describe its types and characteristics.
Q6. [20 Marks]
What are the objects of Classification and Tabulation? Explain the parts of a statistical table and the general rules for the construction of a good table.
👉 B.Com Sem III Course – ₹149
Q7. [20 Marks]
Calculate the Mean, Median and Mode from the following data:
| Class | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 |
|---|---|---|---|---|---|---|---|
| Frequency | 5 | 8 | 12 | 20 | 15 | 7 | 3 |
Q8. [20 Marks]
The median of the following distribution is 46 and the total frequency is 229. Find the missing frequencies.
| Class | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 | 70-80 |
|---|---|---|---|---|---|---|---|
| Frequency | 12 | 30 | ? | 65 | ? | 25 | 18 |
👉 B.Com Sem III Course – ₹149
Q9. [20 Marks]
(a) A car covers the first 60 km at 30 km/hr, the next 60 km at 40 km/hr and the last 60 km at 60 km/hr. Find the average speed using the appropriate average. (b) The population of a town increased by 10% in the first year, 20% in the second year and 40% in the third year. Find the average rate of growth. (c) Explain Weighted Arithmetic Mean with an example.
Q10. [20 Marks]
Calculate the Quartile Deviation and Mean Deviation (from median) along with their coefficients from the following data:
| Marks | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 |
|---|---|---|---|---|---|
| No. of Students | 6 | 12 | 22 | 14 | 6 |
👉 B.Com Sem III Course – ₹149
Q11. [20 Marks]
Distinguish between Dispersion, Skewness and Kurtosis. Calculate Karl Pearson’s coefficient of skewness from the following data:
| Class | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 |
|---|---|---|---|---|---|
| Frequency | 4 | 10 | 20 | 12 | 4 |
Q12. [20 Marks]
Calculate Karl Pearson’s coefficient of correlation between the heights of fathers (X) and sons (Y) and also find its Probable Error:
| X (inches) | 65 | 66 | 67 | 67 | 68 | 69 | 70 | 72 |
|---|---|---|---|---|---|---|---|---|
| Y (inches) | 67 | 68 | 65 | 68 | 72 | 72 | 69 | 71 |
👉 B.Com Sem III Course – ₹149
Q13. [20 Marks]
What is Spearman’s Rank Correlation? Calculate the rank correlation coefficient from the following marks obtained by 8 students in two subjects:
| Subject X | 48 | 33 | 40 | 9 | 16 | 16 | 65 | 24 |
|---|---|---|---|---|---|---|---|---|
| Subject Y | 13 | 13 | 24 | 6 | 15 | 4 | 20 | 9 |
Q14. [20 Marks]
(a) From the following data, obtain the two regression equations and estimate Y when X = 6:
| X | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| Y | 2 | 5 | 3 | 8 | 7 |
(b) Find the most likely value of Sales when Advertisement Expenditure is ₹ 40 lakh, given: Mean of Advertisement Expenditure = ₹ 25 lakh, Mean of Sales = ₹ 250 lakh, S.D. of Advertisement Expenditure = 6, S.D. of Sales = 24, coefficient of correlation = +0.8. [10+10=20]
👉 B.Com Sem III Course – ₹149
Q15. [20 Marks]
Distinguish between Correlation and Regression. Why are there two regression lines? State the properties of regression coefficients.
Q16. [20 Marks]
What do you mean by Interpolation? State its assumptions. Using Newton’s Advancing Differences method, estimate the population for the year 1995:
| Year | 1990 | 2000 | 2010 | 2020 |
|---|---|---|---|---|
| Population (lakh) | 46 | 66 | 81 | 93 |
👉 B.Com Sem III Course – ₹149
Q17. [20 Marks]
(a) Estimate the missing figure by the Binomial Expansion method:
| Year | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|
| Production (tonnes) | 100 | 107 | ? | 157 | 212 |
(b) Using Lagrange’s method, find the value of y when x = 2, given: x = 0, 1, 3, 4 and y = 5, 6, 50, 105 respectively. [10+10=20]
Q18. [20 Marks]
Write short notes on any two of the following: (a) Methods of Random Sampling (b) Scatter Diagram (c) Sampling and Non-sampling Errors (d) Ogive (Determination of median graphically) [10+10=20]
👉 B.Com Sem III Course – ₹149
Exam Tips – Statistical Methods
- Pehle Section A ke theory questions ke short notes bana lo – 15 marks pakke karo.
- Section B ke numericals/long answers ki practice karo – har answer ka format yaad rakho.
- Upar ke questions ko PYQ ki tarah 2 ghante me solve karke dekho.
- Previous year pattern ke aur model sets: LU B.Com Sem 3 PYQ / Old Papers
👉 B.Com Sem III Course – ₹149
B.Com Sem 3 – Baaki Subjects ke Important Questions
- B.Com Sem 3 Corporate Accounting Important Questions 2026
- B.Com Sem 3 Income Tax Law and Accounts Important Questions 2026
- B.Com Sem 3 Managing Human Resources Important Questions 2026
- B.Com Sem 3 Information System and E-Business Important Questions 2026
- B.Com 3rd Semester – All Subjects Important Questions 2026
FAQs
LU B.Com 3rd Semester Statistical Methods exam me kitne questions attempt karne hote hain?
Statistical Methods (Major-A, Paper P6) 75 marks ka 2 ghante ka paper hai. Section A se 1 question (15 marks) aur Section B se 3 questions (20-20 marks) attempt karne hote hain.
Kya ye LU B.Com Sem 3 Statistical Methods ka official previous year question paper (PYQ) hai?
Nahi. Ye LUUPDATE team ka banaya 2026 exam ke liye most important questions ka set hai, jo Lucknow University ke previous year papers ke pattern aur NEP syllabus par based hai.
B.Com Sem 3 Statistical Methods ke answers / solutions kahan milenge?
LUUPDATE ke B.Com NEP Sem III course me video classes, short notes aur important questions ke solutions milte hain – sirf ₹149 me, LUUPDATE App par.
B.Com Sem 3 exam 2026 kab se hai?
LUUPDATE ki jaankari ke anusaar B.Com Sem III & V exam 17 Nov 2026 se shuru ho rahe hain. Final date sheet University ki official website par check karein.
Disclaimer: Ye LUUPDATE team dwara taiyar kiye gaye expected important questions hain, Lucknow University ka official question paper nahi. Exam pattern aur syllabus ke liye university ka official notice zaroor dekhein.
