Question: (4 Marks) Question 1: Class Frequency 60-80 5 80-100 14 100-120 17 120-140 10 140-160 1 Find Variance, Standard deviation and Co-efficient of variation

(4 Marks) Question 1: Class Frequency 60-80 5 80-100 14 100-120

(4 Marks) Question 1: Class Frequency 60-80 5 80-100 14 100-120 17 120-140 10 140-160 1 Find Variance, Standard deviation and Co-efficient of variation

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