what is the meaning of d_i in assumed mesn method?

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Solution

d_i is the deviation.
d_i= x_i– a, where x_iis the mean value of the different class intervals and a is the assumed mean.

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Similar questions

In the assumed mean method, if A is the assumed mean, then deviation $d_{i}$ is :

d_{i}

d_{i}

Consider a grouped data distribution for which the mean is found by assumed mean method.

P = sum of the products of ‘d’ and frequency for each class interval

Here $d_{i} = x_{i} - A$

Q = total number of observations

A = assumed mean

M = mean of given grouped data distribution

Which of the following statements is true?

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