# Maths Summarising Data

### Description

Higher Maths Mind Map on Maths Summarising Data, created by Will Thorpe on 17/01/2016.
Mind Map by Will Thorpe, updated more than 1 year ago
 Created by Will Thorpe over 8 years ago
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## Resource summary

Maths Summarising Data
1. Mode
1. Most common value
1. With continuous data in a frequency table we can pick a modal class
2. Median
1. Middle Value when all the data is arranged in ascending order
2. Mean
1. Average value of a set of numbers
1. Mean of a frequency table is x times by frequency for all values of x and added. Then divide by frequency
1. Sum of all values divided by number of values
2. Range
1. Largest value - smallest value
2. Interquartile Range
1. Upper quartile- lower quartile (Upper is 75%, Lower is 25%)
2. Standard Deviation
1. Square root of the variance
2. Variance
1. Sum of all the squares of the data/ number of values

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FREQUENCY TABLES: MODE, MEDIAN AND MEAN