Question

AS, DJ
11. For the following data:
Classes
Less than 20
Less than 40
Less than 60
Less than 80
Less than 100
15
37
56
87
115
Modal class is
(a) 80-100
(c) 20.40
(6) 60-80
(d) 40-60​

Answer 1

Step-by-step explanation:

class interval frequency commutative frequency

0-20. 15. 15

20-40. 22 37

40-60. 19 56

60-80. 31 87

80-100. 28 115

Modal class

60-80

Answer 2

Answer:

$1666311$

$663$