Question

write the formula for finding arithmetic mean by step deviation method and explain the terms in it​

Answer 1

Answer:

Step-by-step explanation:A+sigmafiui Divided By Sigma fir ×h

A=Assumed Mean

H=Height Of The Class

Fi=Frequency Of Class

Ui=xi-A Divided By Fi

Answer 2

Formula for finding the arithmetic mean by step deviation method.

Formula used:

• Step deviation is one of the short method which is used for calculation of mean for the given data.

• The formula used for calculation of arithmetic mean by step deviation method is as follows:

$\bar{X}=A+\frac{\Sigma f d}{N} \times i$

Where:

$\bar{X}$ - Arithmetic mean

A - Assumed mean

f - Frequency

d - Deviation from the assumed mean. It can be calculated using the formula $d = \frac{x-A}{i}$

i - Class size

N - Total value of frequency

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