Statisticseasy · Past Paper
In a data set of 10 students' marks: 40, 45, 50, 50, 60, 65, 70, 75, 80, 85, what is the range of the marks?
A40
B45
C50
D85
✓ Correct Answer: B — 45
Range is the difference between the maximum value (85) and the minimum value (40), which is 85 - 40 = 45.
Share this question
More from Statistics
- Probability of an event E is 0.05. What is the probability of 'not E'?
- A die is thrown once. What is the probability of getting a number not less than 3?
- If the mean of x and 1/x is M, what is the mean of x^2 and 1/x^2?
- What is the mean of the first five multiples of 3?
- In a frequency distribution, the sum of all probabilities (relative frequencies) is: