4320446
Description
Mind Map by Will Thorpe, updated more than 1 year ago
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Created by Will Thorpe
over 8 years ago
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Maths Summarising Data
- Mode
- Most common value
- With continuous data in a
frequency table we can pick
a modal class
- With continuous data in a
frequency table we can pick
a modal class
- Most common value
- Median
- Middle Value when all
the data is arranged in
ascending order
- Middle Value when all
the data is arranged in
ascending order
- Mean
- Average value of a set of numbers
- Mean of a frequency table is x times by
frequency for all values of x and added. Then
divide by frequency
- Sum of all values
divided by number
of values
- Mean of a frequency table is x times by
frequency for all values of x and added. Then
divide by frequency
- Average value of a set of numbers
- Range
- Largest value - smallest value
- Largest value - smallest value
- Interquartile Range
- Upper quartile- lower quartile
(Upper is 75%, Lower is 25%)
- Upper quartile- lower quartile
(Upper is 75%, Lower is 25%)
- Standard Deviation
- Square root of the variance
- Square root of the variance
- Variance
- Spread of the data
- Sum of all the squares of the
data/ number of values
- Sum of all the squares of the
data/ number of values
- Spread of the data
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