3. Marks obtained by 40 students is given below. Calculate the mean of the data by preparing frequency table. 3,4,5, 3, 4, 5, 6, 1, 1, 1, 2,2,3, 2, 1, 4, 5, 6, 1, 2, 3,4,5,5,5, 3, 4, 5, 3, 4, 5, 6, 1, 1, 1, 2, 2, 3, 2, 5. .make a 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:
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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 3
10−20 8
20−30 14
30−40 9
40−50 6
Total 40