Question

8. The table given below shows the age distribution of 1000 persons who
visited a marketing centre on a Sunday,
Age (in years) 0-10 10-20 20-30 30 40 40-50 50-60 60-70
Number of
105 222 220 138 102 113 100
persons
Find the mean age of the persons visiting the marketing centre on
[CBSE 2015]
that day​

Answer 1

Answer:

914.28571428571

Step-by-step explanation:

Mean is sum of observations by number of observations that is

105+222+220+138+102+113+100/7

=914.28571428571