Statisticsmedium · Past Paper
Find the mode of class 0-10 (f=5), 10-20 (f=10), 20-30 (f=5).
A10
B20
C15
D25
✓ Correct Answer: C — 15
Since frequencies are symmetric around 10-20, the mode is the midpoint 15.
Share this question
More from Statistics
- If the mean of a data set is 50 and the median is 50, what can you say about the mode?
- In a class of 30, 10 students like tea, 15 like coffee and 5 like both. What is the probability that a student chosen at random likes neither?
- Calculate the probability of getting a sum of 12 when two dice are thrown.
- Two dice are thrown. What is the probability that the sum is less than 4?
- A box contains 5 red, 8 white and 4 green marbles. What is the probability that a marble drawn is not white?