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Introduction
Standard deviation (10A)
Statistics
Year 10
This video looks at how and why we find the standard deviation of a set of numbers. We know that the IQR and Range are taken as measures of centre around the median. The standard deviation is a measure of centre around the mean. A number of worked examples are covered using both scientific calculators and CAS. It fully explains the formula and how we can use it to find the standard deviation. There is also a mention of the dreaded exams which happen at the end of school and how the standard deviation is used! This video is one of my favourites.
Published: March 7, 2019
Length: 24 mins and 31 seconds
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good maths websites
year 10 maths
standard deviation statistics
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standard deviation formula
standard deviation and variance
how to find the standard deviation using a calcula
CAS standard deviation
what is the standard deviation
mean
statistics
data representation
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