what is assumed mean method?
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Answer:
In statistics the assumed mean is a method for calculating the arithmetic mean and standard deviation of a data set. It simplifies calculating accurate values by hand. Its interest today is chiefly historical but it can be used to quickly estimate these statistics.
In statistics the assumed mean is a method for calculating the arithmetic mean and standard deviation of a data set. It simplifies calculating accurate values by hand. Its interest today is chiefly historical but it can be used to quickly estimate these statistics.
We can write the formula for assumed mean method as. If a is the assumed mean fi denotes the frequency of the ith class which is having a deviation of di from the assumed mean, the formula for the mean is ¯x=a+∑fidi∑fi.
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