Find the median M of the data: 26, 35, 36, 38, 31, 8, 15, 34.
Descriptive statistics worksheet with answers
1.Easy
n = 8
M =
2.Easy
Find the median M of the data: 2, 25, 26, 22, 27, 25, 35.
n = 7
M =
3.Medium
Find the sample standard deviation s of the data: 51, 57, 43, 58, 47, 47.
n = 6
s =
4.Medium
Find the sample standard deviation s of the data: 32, 31, 11, 39, 48.
n = 5
s =
5.Hard
A quantity is normally distributed with mean 50 and standard deviation 15. What proportion P of values is above 20?
μ = 50σ = 15x = 20
P =
6.Hard
A quantity is normally distributed with mean 50 and standard deviation 10. What proportion P of values is above 60?
μ = 50σ = 10x = 60
P =
Answer key
- 1. M = 32.5
- 2. M = 25
- 3. s = 5.992
- 4. s = 13.66
- 5. P = 0.9772
- 6. P = 0.1587
Full step-by-step solutions: practise this topic on examproblems.com.