Play with mean

The sum of few numbers is 450 and their mean is 50 and if another number 100 is included, the mean would be?

Correct answer:

m2 =  55

Step-by-step explanation:

s1=450 m1=50 n1=s1/m1=450/50=9  s2=100+s1=100+450=550 n2=n1+1=9+1=10  m2=n2s2=10550=55



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Looking for help with calculating arithmetic mean?
Looking for a statistical calculator?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: