what is the meaning of step deviation and write it's formula.
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Answer:
The Arithmetic Mean of the given grouped data by using the method of Step deviation. The formula for Step deviation is given by. Where A is the assumed mean (The middle value in the data ) , f is the frequency in the grouped data, where and is the Sum of the frequencies, c is the common factor.
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Answer:
It tells us how far, on average, all values are from the middle.
In that example the values are, on average, 3.75 away from the middle.
For deviation just think distance
Formula
The formula is:
Mean Deviation = Σ|x − μ|N.
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