Question

ii.
Draw a frequency polygon from the information given in the following table.
Age of blood donor Less Less Less Less Less
ears) than 20 than 25 than 30 than 35 than 40
No. of blood donors 0 1 30 75 127 | 165
cata
Less Less
than 45 1 than 50
185 197​

Answer 1

frequency polygon

Step-by-step explanation:

given data

Less than values                cf                 f

less than 20                        0                 0

less than 25                        30               30

less than 30                        75               45

less than 35                        127              52

less than 40                        165              38      

less than 45                        185               20      

less than 50                        197               12      

Class            frequency

20  - 25        30

25 - 30         45

30 - 35         52

35 - 40         38

40 - 45          20

45 - 50          12

now , draw the frequency polygon with this data

The graph is shown in the given attachment

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https://brainly.in/question/8705454