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Maths-
General
Easy
Question
If 5 is added to each and every item of a data, then the A.M is
5 times to the first A.M.
increased by 5 to the first A.M.
equal to the first A.M.
decreased by 5 to the first A.M.
The correct answer is: increased by 5 to the first A.M.
Let be the original observations of the data. Let there are total n number of observations in the data. Sum of original observation = n X original mean , where is original mean of data. Since 5 is added to each and every item of the data
Each observations of new data is of type . Sum of new observations =