Statisticseasy · Past Paper
What is the mean of 10, 20, 30, 40, 50?
A25
B35
C30
D40
✓ Correct Answer: C — 30
Sum = 150. Number of items = 5. Mean = 150/5 = 30.
Share this question
More from Statistics
- Which of the following is NOT a measure of central tendency?
- The arithmetic mean of $1, 2, 2, 3, 3, 3, ... n$ times $n$ is:
- Two dice are thrown together. What is the probability that the sum of the numbers is 7?
- What is the probability that a randomly chosen 2-digit number is divisible by 3 but not by 6?
- If a die is rolled, what is the probability of getting a number 8?