Statisticseasy · Past Paper
What is the formula for the position of the Upper Quartile (Q3) in a discrete series with N items?
A(N+1)/4
B(N+1)/2
C3(N+1)/4
D3N/4
✓ Correct Answer: C — 3(N+1)/4
In discrete and individual series, the position of Q3 is given by 3(N+1)/4.
Share this question
More from Statistics
- Find the median of: 10, 2, 8, 14, 18, 20, 22.
- If the ratio of mode and median of a distribution is 6:5, then the ratio of mean and median is:
- If mean is 10 and median is 10, the distribution is likely:
- A bag contains 5 red balls and 3 green balls. What is the probability of drawing a red ball?
- Find the mode of 1, 2, 2, 3, 3, 3, 4, 4, 4, 4.