The Question : The following age wise chart of 300 passengers flying from Delhi to Pune is prepared by the Airlines staff.
| Age | Less than 10 | Less than 20 | Less than 30 | Less than 40 | Less than 50 | Less than 60 | Less than 70 | Less than 80 |
| Number of passengers | 14 | 44 | 82 | 134 | 184 | 245 | 287 | 300 |
Find the mean age of the passengers.
Solution for the question :
Converting the cumulative frequency table into exclusive classes, we get:an age = x̅ = ∑fixi / ∑fix̅ =12600/300x̅ = 42
The correct answer to the question is researched by our moderators and shared with you. You can give feedback by commenting for the answers you think are wrong.