Statisticsmedium · Past Paper
If Q1 = 15 and Q3 = 35, what is the interquartile range?
A50
B20
C25
D10
✓ Correct Answer: B — 20
Interquartile Range = Q3 - Q1 = 35 - 15 = 20.
Share this question
More from Statistics
- The mean of 20 observations is 15. On checking, it was found that two observations 20 and 15 were miscopied as 3 and 32. The correct mean is:
- Mode can be found from a histogram by looking at:
- If two dice are thrown, what is the probability that the sum of the numbers is 7?
- Find the median for: 2, 8, 4, 6, 10, 12.
- If a data set has two modes, it is called: