Statisticsmedium · Past Paper
Mean of $x, x+1, x+2, x+3, x+4, x+5$ is:
Ax+2
Bx+2.5
Cx+3
Dx+3.5
✓ Correct Answer: B — x+2.5
Sum = 6x + 15. Mean = (6x+15)/6 = x + 2.5.
Share this question
More from Statistics
- What is the relation between mean, median, and mode for a moderately skewed distribution?
- If the mean of 10, 12, 18, 20, p is 15, find p.
- If the mean of x and 1/x is M, what is the mean of x^2 and 1/x^2?
- If P(A) = 0.5, P(B) = 0.3, and events A and B are independent, find P(A and B).
- The probability that it will rain tomorrow is 0.85. What is the probability that it will not rain?