Averages

how to work them out

HideShow resource information
  • Created by: Kelly:)
  • Created on: 01-06-11 20:38

mean: add all the values you have together an divide that by the number of values you've got
4 point moving average: add the 4 consecutive values. 1st time - start with the 1st value, 2nd time - start with the second value etc.,

median: add 1 to the frequency and divide by 2
lower quartile: 25% of the frequency value
upper quartile: 75% of the frequency value

range: largest value - smallest value
interquartile range: upper quartile - lower quartile

mode: most common value

1 of 1

Comments

Zoeeee

Thank you, it's simple and easy to understand :)

Kelly:)

you're welcome :)

Similar Mathematics resources:

See all Mathematics resources »See all Data Handling resources »