Box Plots Flashcards
1
Q
What numbers are needed in a box plot
A
Lowest value Lower quartile Median Upper quartile Highest value
2
Q
How do you work out an outlier?
A
For above the highest value
1.5 x IQR + UQ
For below the lowest value
1.5 x IQR - LQ
3
Q
How do you calculate the IQR
A
You do the UQ - LQ
4
Q
How do you work out the LQ and UQ
A
LQ = half way from the median to the lowest value
UQ = half way from the median to the highest value
5
Q
What should you write about when talking about comparing box plots
A
Skew
IQR
Median
Range