Statisticsmedium · Past Paper
Find the mean of prime numbers between 10 and 20.
A15
B15.5
C16
D14.5
✓ Correct Answer: A — 15
Primes: 11, 13, 17, 19. Sum = 60. Mean = 60/4 = 15.
Share this question
More from Statistics
- If Σf = 50 and the median is the 25.5th term, what is the size of the population N?
- In a bar diagram, if all bars have equal heights, then:
- What is the probability of a certain event?
- What is the probability of getting a 5 on at least one die when two dice are thrown?
- The relationship Mode = 3 Median - 2 Mean holds for: