Question

The following table gives the less than cumulative frequencies of 199 men, each of age 20 years or more, of a
group:
25
30
35
40
45
50
55
60
65
70
Age below
(in Years)
21
40
90
130
146
166
176
186
195
199
Cumulative
Frequency
Find the mean age.​

Answer 1

Answer:

nay be the correct answer is 67

may be it's answer is 65