More Lessons for A Level Maths

Math Worksheets

Videos, activities and worksheets that are suitable for A Level Maths.

Calculate 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

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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You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.