Video

Shapes of distributions (Full video)

Khan Academy

Supporting grades: 6

Description: Some distributions are symmetrical, with data evenly distributed about the mean. Other distributions are "skewed," with data tending to the left or right of the mean. We sometimes say that skewed distributions have "tails.". So right over here, let's see, we're talking about Matt's Cafe, and we have different age buckets, so this is a histogram here. In each bucket, it tells us the number of guests that are in that age bucket. So this distribution right over here, it looks like it has a tail to the right.

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