Take the Nat 5 Applications of Maths Mean and standard deviation quiz
The average value of a dataset is the mean. Standard deviation is a measure of the spread of data around the mean value.
Mean and standard deviation
Looking for more on mean and standard deviation? Revise with our National 5 Applications of Maths guide.
Standard deviation. revision-guide
In National 5 Lifeskills Maths standard deviation is a measure of consistency or spread of data. It is used as a comparison between different data sets.
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