Posted by Sasha on .
Hi!
How do you work out the Inter Quartile range?
WHats the name for xbar and how do you work this out?
THanks

Maths  IQR 
PsyDAG,
Interquartile range is the middle 50%, found by subtracting Q1 from Q3.
x bar is the sample mean. Add all the scores in the sample and divide by the number of scores.