Skew — Algebra I · Grade 9 or accelerated Grade 8, what it means and where it is taught
A long tail on one side of the distribution.
Taught in Algebra I · Grade 9 or accelerated Grade 8.
Where it is taught
Practise this idea
2 questions in the course bank use Skew, in Statistics: Centre, Spread & Displays.
Problem 1
The mean is 62 and the median is 70. Describe the skew.
Worked answer
skewed left
Mean below median
So the tail points left
Skewed left
Problem 2
The mean is 85 and the median is 74. Describe the skew.
Worked answer
skewed right
Mean above median
The tail points right
Skewed right