1.

The mean of 20,28,22,33,25 and a is 30. Find the value of a

Answer»

ANSWER:

a=52

Step-by-step EXPLANATION:

There are 6 terms

Sum=20+28+22+33+25+a=128+a

Mean=30

Mean=Sum/Count

30=(128+a)/6

a=180-128

a=52



Discussion

No Comment Found

Related InterviewSolutions