Question

3.
The following table gives ages of 80 students selected from a college.
Age (years)
18
19
20
21
22
23
No. of students
14
22
15
8.
6
4
Find median age. Also find Q, D., P, for age and interpret them​

Answer 1

Answer:

Median = n+1/2

= 6+1/2

= 3.5th term

= 20.5 Median

Quartile = n+1/4

= 6+1/4

= 1.75th term

0.75 + 18 x (19-18)

= 18.75 Answer

Decile = n+1/10

= 6+1/10

= 0.7th term

0.7+18 x ( 19-18 )

= 18.7 Answer

Answer 2

Answer:

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