What would be Pearson's measure of skew for the following distribution: Mean = 50, Median = 60, and Variance = 100?

-3
0.0
3(50-60)/sqrt(100) = -3
Which of the following distributions would have a positive skew??

When the mean is larger than the median, the distribution has a positive skew.
true
Mean = 80, Median = 70, SD = 20
false
Mean = 40, Median = 60, SD = 30
false
Mean = 80, Median = 80, SD = 40
This distribution has

false
false
Negative skew
false
No skew
true
Positive skew
graphics/pos_skew.gif
The tail is on the right so the skew is positive. Also called skewed to the right.
This distribution has

false
false
Negative kurtosis
false
No kurtosis
true
Positive kurtosis
graphics/pos_kurt.gif
This distributon has relatively long tails.