Question

Class
(ii) Following is the frequency distribution with unknown frequencies:
20-30 30-40 40-50 50 - 60 Total
Frequency
2a 3a a
Find the value of a and prepare a frequency distribution table for drawing a
frequency polygon. Draw a frequency polygon.
70​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

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