Question

Prepare a frequency table of the following
data and find the arithmetic mean
(0) 12, 13, 12, 14, 15, 54, 43, 54, 65, 23, 76, 23,
98, 78, 68, 79, 90, 76, 89, 78
(ii) 55, 55, 65, 45, 34, 87, 98, 45, 34, 35, 76, 88,
99, 78, 79, 67, 56, 45, 34, 23​

Answer 1

I only now about arithmetic mean

arithmetic mean= 12+13+12+14+15+54+43+54+65+23+76+23+98+78+68+79+90+76+89+78÷ 21

= 1030/21

=49.047

it is your mean

similarly you do 2nd part by own

frequency. table

table. frequency of no.

12. 2

13 1

14 1

15. 1

54. 2

43. 1

65. 1

23. 2

76. 2

98. 1

78. 2

68. 1

79. 1

90. 1

76. 1.

89. 1

ok I hope u understand that

2 part do it by yourself