Statisticsmedium · Past Paper
Find the mean of the first four perfect squares.
A7.5
B8.5
C10
D7
✓ Correct Answer: A — 7.5
Squares: 1, 4, 9, 16. Sum = 30. Mean = 30/4 = 7.5.
Share this question
More from Statistics
- For a set of 11 observations arranged in descending order, which position is the median?
- Two dice are rolled. What is the probability that the product of the numbers is 6?
- If mode = 80 and mean = 110, then median is:
- If mean is 15, median is 16, then the distribution is:
- In a pie chart representing a student's time, if 'Sleep' takes 8 hours, what is its central angle?