Question

14. The marks obtained by 70 students in an examination are grouped as follows:
0 10
10 20
Marks:
20 30
3040
40-50
50-60
4
8
10
25
7
16
No. of students
Calculate
(1) The marks at the 25th percentile.
(il) The marks at the third quartile.
(iii) The approximately number of students who failed in the examination if the pass marks
are considered to be 40.
24-20
[Hint: No. of Failures = 4+8+
x10=16] (Ans (1) Pas = 255, Q; = 47.86
10
No. of students who failed = 16]​

Answer 1

Answer:

Is 100 is the answer okbyyy

Answer 2

Answer:

sorry I didn't have a answer

I am really sorry