Statistical Measures - Mode, Range, and Deciles
Covers measures of central tendency (mode), dispersion (range), and positional measures (deciles) for class-X statistics
Questions
Question 1 Multiple Choice (Single Answer)
Which of the following is a "Positional Average"?
- Arithmetic Mean
- Geometric Mean
- Harmonic Mean
- Median
Question 2 Multiple Choice (Single Answer)
Calculation of Decile for individual data:
Find the $D _4$ and from the following data.
$20,22,24,26,28,30,32,34,36$
- 28
- 26
- 30
- 24
Question 3 Multiple Choice (Single Answer)
Find $D _2$ for the following data:
| Marks | 10 | 20 | 30 | 40 | 50 | 60 |
|---|---|---|---|---|---|---|
| No of Students | 5 | 6 | 4 | 5 | 10 | 9 |
- 50 marks
- 20 marks
- 30 marks
- 40 marks
Question 4 Multiple Choice (Single Answer)
Calculation of Decile for individual data:
Find the $D _8$ and from the following data.
$20,22,24,26,28,30,32,34,36$
- $D _8$=34
- $D _8$=32
- $D _8$=36
- $D _8$=28
Question 5 Multiple Choice (Single Answer)
Find $D _4$ for the following data.
| Marks | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 |
|---|---|---|---|---|---|---|
| No of Students | 5 | 6 | 5 | 5 | 10 | 9 |
- $D _4=30$
- $D _4=20$
- $D _4=40$
- $D _4=10$