Calculating mean median mode and standard deviation for grouped data
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mean =sum of observations ÷number of observations.
median (number of observation is even ) =n ÷2 th term + (n ÷2 + 1 )th term divided by 2.
If number of observation is odd = (n + 1 ) 1 ÷2 th term.
mode the variate that has highest frequency known as mode of that observation.
deviation means subtract each number of observation from mean.
median (number of observation is even ) =n ÷2 th term + (n ÷2 + 1 )th term divided by 2.
If number of observation is odd = (n + 1 ) 1 ÷2 th term.
mode the variate that has highest frequency known as mode of that observation.
deviation means subtract each number of observation from mean.
Anonymous:
plzzz in median arrange data in ascending order or descending order.
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