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Assumed mean /deviation method

Khan AcademyDevashish Phadnis

Assumed mean /deviation method

In this video the assumed mean method to find the mean of grouped data is discussed. This method also involves finding deviation of each group observation from the assumed mean and is one of the shortcut methods to find mean of grouped data when the data values become large.

Assumed Mean Formula

What is the formula for the Assumed Mean Method?... | Filo

What is the formula for the Assumed Mean Method?... | Filo

In calculating the mean of grouped data, grouped in classes of equal width, we may use the formula x¯=a ∑fidi∑fi where a is the assumed mean. a must be one of the mid-points of the classes - Mathematics | Shaalaa.com

In calculating the mean of grouped data, grouped in classes of equal width, we may use the formula x¯=a ∑fidi∑fi where a is the assumed mean. a must be one of the mid-points of the classes - Mathematics | Shaalaa.com

How to Calculate the Mean: Step-By-Step Guide

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Top videos

Calculate arithmetic mean using Direct Method and Assumed Mean ... | Filo

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$4ALTER:By assumed mean method:\begin{tabular} { | c | c | c... | Filo$

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Assumed Mean Examples

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Find the Mean of the Following Data, Using Assumed-mean Method: Class 0 – 20 20 – 40 40 – 60 60 – 80 80 – 100 100 - 120 Frequency 20 35 52 44 38 31 - Mathematics | Shaalaa.com

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Calculate arithmetic mean using Direct Method and Assumed Mean ... | Filo

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iii) Find the mean of the following distribution by assumed mea... | Filo

iii) Find the mean of the following distribution by assumed mea... | Filo

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