Statisticshard · Past Paper
What is the coefficient of range for a data set with Max = 100 and Min = 20?
A0.5
B0.67
C0.8
D1.2
✓ Correct Answer: B — 0.67
Coefficient of Range = (Max - Min) / (Max + Min) = (100 - 20) / (100 + 20) = 80 / 120 = 2/3 ≈ 0.67.
Share this question
More from Statistics
- The median of 4, 1, 3, 2, 5 is:
- Find the missing frequency f for the class 20-30 if the median is 25, N=60, cf=20, and class interval size is 10.
- In a frequency table, the sum of relative frequencies is always:
- For a symmetrical distribution, which of the following is true?
- What is the probability of getting a prime number when a die is thrown?