Question

if 18,17,19,25,30,40,55,find mean​

Answer 1

Step-by-step explanation:

7/204

29.14

It may be the answer,once try it yourself also to write a right answer. So that it can be a right decision.

Answer 2

answer:   mean=29.28

Step-by-step explanation:

mean= sum of observations/ total number of observations

    sum of observations=18+17+19+25+30+40+55= 205

   total number of observations= 7

mean= sum of observations/ total number of observations

        =     204/7

        =     29.14..

         therefore, the mean is 29.14....