Question

(1 point) when comparing the means and medians of skewed data, which of the following is correct?
o the mean and median differ, but not because of the direction and amount of skew.
o the mean is always less than the median, regardless of the direction and amount of skew.
o the mean and median are always very close together and not affected by the skew.
o the mean and median differ, based on the direction and amount of the skew.

Explanation:

In skewed data, the mean is affected by extreme values (skew direction and amount). The median is less influenced. So, their difference depends on skew details.

Answer:

The mean and median differ, based on the direction and amount of the skew.