Prepare a frequency distribution by inclusive method, taking class interval of 7 from
the following data:
28,17,15,22,29,21,23,27,18,12,7,2,9,4,6,1,8,3,10,5,20,16,12,8,4,33,27,21,15,9,3,36,27,18,9,2,4,6,32,31,29,18,14,13,15,11,9,7,1,5,37,32,28,26,24,20,19,25,19,20
Answers
dismal crisp harps sip Falco
Given:
Data: 28, 17, 15, 22, 29, 21, 23, 27, 18, 12, 7, 2, 9, 4, 6, 1, 8, 3, 10, 5, 20, 16, 12, 8, 4, 33, 27, 21, 15, 9, 3, 36, 27, 18, 9, 2, 4, 6, 32, 31, 29, 18, 14, 13, 15, 11, 9, 7, 1, 5, 37, 32, 28, 26, 24, 20, 19, 25, 19, 20
To find:
Prepare a frequency distribution by inclusive method, taking class interval of 7 from the given data.
Solution:
Arrange in ascending order:
1 1 2 2 3 3 4 4 4 5 5 6 6 7 7
8 8 9 9 9 9 10 11 12 12 13 14
15 15 15 16 17 18 18 18 19 19 20 20 20 21 21
22 23 24 25 26 27 27 27 28 28
29 29 31 32 32 33
36 37
Class Interval Frequency
1 - 7 15
8 - 14 12
15 - 21 15
22 - 28 10
29 - 35 6
36 - 42 2
N = 60