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.

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.

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.

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

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.

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