Question

45-49
Find the mean age (in years) form the following frequency distribution:
22
16
6
Class interval
30-34
14
5
3
Frequency
15-19
20-24
25-29
30-34
35-39
40-44
Age (in years)
3
13
21
15
5
4
2
Frequency
Find the arithmetic mean of the following frequency distribution:
20
30
40
50
60
10
70
80
90
Marks below
35
50
70
86
22
97
104
12
109
No. of students
ong Answer Type Questions
21. Consider the following distribution of daily wages of 50 workers of a factory:
160-180
180-200
140-160
120-140
Daily wages (in )
100-120
10
8
6
14
12
Number of workers
Find the mean daily wages of the workers of the factory by using an appropriate method.​

Answer 1

Answer:

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Step-by-step explanation:

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