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Data Analysis Tools (Group A1) by Mind Map: Data Analysis Tools 
(Group A1)
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Data Analysis Tools (Group A1)

Category 1

Mean

No outlier in data, so this is a good choice for us.

Mode

This only gives us the value in the 'middle' position.

Median

This only gives us the most 'popular' data.

All these three are called 'averages'.

Category 2

Standard deviation

No outliers in our data, so we choose to use this.

Range and percentile

Information is not as precise as standard deviation

Quartiles and interquartile range

Information is not as precise as standard deviation

These are called modes of spread.

Category 3

Cumulative frequency diagram

Can draw easily from the table of values we have created, so this is our choice.

Box-and-whisker diagram

We did not use median and quartiles in our study, so this is not our choice, since we do not have enough infomation to plot such a diagram.

These are called statistical diagrams.