3. The marks obtained out of 50 by 20 students in a class are given below. 22, 15, 10, 24, 35, 38, 40, 45, 47, 48, 5, 12, 10, 14, 19, 18, 44, 37, 11, 40 Prepare the frequency table.
Answers
Answer:
Given that the marks obtained by 40 students of a class in an examination are
8,47,22,31,17,13,38,26,3,34,29,11,22,7,15,24,38,31,21,35,42,24, 45,23,21,27,29,49,25,48,21,15,18,27,19,45,14,34,37,34.
the frequency distribution table with equal class intervals, starting from 0−10 [where 10 is not included].
frequency table
class intervals Frequency
0−10
10−20
20−30
30−40
40−50 3
8
14
9
6
Total 40
Step-by-step explanation:
Marks in Ascending Order:
3, 3, 4, 5, 6, 6, 7, 8, 8, 8, 9, 10, 10, 10, 10, 11, 11, 12, 13, 14, 14, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 18, 18 ,19, 19, 21, 22, 22, 22, 25
Marks in Descending Order:
25, 22, 22, 22, 21, 19, 19, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 13, 12, 11, 11, 10, 10, 10, 10, 9, 8, 8, 8, 7, 6, 6, 5, 4, 3, 3