Question

6
No. of Persons
14.
The following table gives the data regarding the length of life of 200 persons :
20-29
30-39
10-19
Age
0-9
No. of Persons
15
33
39
45
Age
80-89
60 - 69
50 - 59
70 - 79
No. of Persons:
7
18
27
10
persons
of
Calculate () Mean age (in) Standard deviation (iii) Percentage number of
age
length of life of a person falls within X + 20.​

Answer 1

my name Vasim job and independent consultant Arbonne