Question

(17) Case study Based- I
(18)
Marks obtained by 100 students of a class - 9" in an
examination. Out of 50 are given below.
Marks
0-10
10-20
20-30
30-40
40-50
No. of
12
15
24
28
21
Students
(1)
What will be the upper limit of Third Class interval.
(a)
10 (b) 20
(c) 30
(d) 40
(2) What will be the class mark of 4th Class interval
(a)
25 (b) 35
(c) 45
(d) 55​

Answer 1

Answer:

1.(a) 30

2.(b)35

Step-by-step explanation:

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