Economy, asked by parambilr7, 11 months ago

Calculate mean and standard deviation from the following distribution: (20)
Class interval 10-20 20-30 30-40 40-50 50-60 60-70 70-80

Frequency 2 4 4 8 6 3 2

Answers

Answered by kattelasavanyadav15

0

Answer:

zlgxgkxkfxjfxfjx

Explanation:

mgxxgkchlglccylhclxhxlgxgk

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