Video lessons, examples and solutions that are suitable to help A Level Maths students
answer questions on the mean, median and standard deviation from a grouped frequency table and skewness of a distribution.

A-Level Statistics Edexcel S1 January 2007 Q4 a,b

Calculate a median from a grouped frequency table
A-Level Statistics Edexcel S1 January 2007 Q4c ,d,e
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n this question you are asked to calculate estimates for the mean and standard deviation from a grouped frequency table and skewness of a distribution.

Calculate a median from a grouped frequency table

n this question you are asked to calculate estimates for the mean and standard deviation from a grouped frequency table and skewness of a distribution.

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