Question
When is mean, median and mode identical.
✓
Answer
In case of normal distribution, mean, median and mode are equal.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Explain briefly the methods of studying statistics.
Prepare a frequency array of marks obtained by 25 students of a class in the Economics test:
20, 15, 20, 30, 40, 25, 25, 30, 40, 20, 35, 35, 50, 15, 50, 25, 40, 40, 30, 50, 25, 30, 30, 15, 45
20, 15, 20, 30, 40, 25, 25, 30, 40, 20, 35, 35, 50, 15, 50, 25, 40, 40, 30, 50, 25, 30, 30, 15, 45
A consumer spends ₹60 on a good priced at ₹1 per unit. When the price rises by 100 per cent, he continues to spend ₹60 on the good. Calculate the price elasticity of demand by percentage method.
'Statistical methods are most dangerous tools in the hands of an inexpert.' Which limitation of statistics does it indicate?
Complete the following table:
| Price (₹) | Output (Units) | Total Revenue (₹) | Marginal Revenue (₹) |
| 7 | - | 7 | - |
| - | 2 | 10 | - |
| - | 3 | - | -1 |
| 1 | - | - | -5 |
Distinguish between absolute and relative measures of dispersion.
Complete the following table:
| Output (Units) | Average Total Cost (₹) | Average Variable Cost (₹) | Marginal Cost (₹) |
| 1 | 54 | 30 | 30 |
| 2 | - | 24 | - |
| 3 | - | - | 24 |
| 4 | 33 | - | - |
Write any three characteristics of a good measure of dispersion.
On the consumption of 10 units of a commodity, a consumer finds that $MU _{ X }$ has exceeded the marginal utility of money. Should he reduce the consumption of X so that he strikes an equilibrium. Give reason in support of your answer.
→What do you know about Frequency distribution, Class limits and Class mark.