1.

Find mean deviation about mean for the ​

Answer»

Answer of mean is 179.

Step-by-step explanation:

First you FIND the class and UI and fixi.

second step will be :- do this answer through step division METHOD so that you will get answer in very short.

the formula of step division method is:- A+(SIGMA fiui / sigma first) into H.

then put the value and get your answer in very short TIME.



Discussion

No Comment Found

Related InterviewSolutions