Which of the following statements are true?
A) A probability distribution is symmetric (around some point)if the distribution to the left of the point is a mirror image of the distribution to the right of the point.
B) We say a distribution is skewed to the right (or positively skewed)if the "longer tail" is the right tail.
C) We say a distribution is skewed to the left (or negatively skewed)if the "longer tail" is the left tail.
D) All of the above

Question

Quizplus · Accepted Answer

All three statements are true. A symmetric probability distribution has equal probability on either side of a central point, resulting in a mirror image. Skewness refers to the degree of asymmetry in a probability distribution, with a long tail on one side indicating skewness towards that direction.

Which of the Following Statements Are True