Question

16. Find the median and mode of the following data:

Class 20 – 25 25 – 30 30 – 35 35 – 40 40 – 45 45 – 50 50 - 55

Frequency 2 5 8 10 7 10 3​

Answer 1

Step-by-step explanation:

Mode = most occurring =28,16

Median = ascending order.

⇒15,16,16,19,23,25,28,28,32,36,40,42

Median =

2

25+28

=

2

53

=26.5.

Answer 2

Answer:

S. No. Marks

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15 6

9

10

12

18

19

23

23

24

28

37

48

49

53

60

N = 15

Median = size of (N+12)th item

or, M = size of (15+12)th item

or, M = size of 8th item

⇒ M = 23

Therefore, the median marks in the economics paper is 23.

Step-by-step explanation:

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