3. The following is the distribution of weights (in kg) of 52 persons: Weight in kg persons30-40 1040-50 1550-60 1760-70 670-80 4(i) What is the lower limit of class 50-60?(ii) Find the class marks of the classes 40-50, 50-60.(iii) What is the class size?PLS TELL...its urgent...And give the correct answer pls

3. The following is the distribution of weights (in kg) of 52 persons:

1.	3. The following is the distribution of weights (in kg) of 52 persons: Weight in kg persons30-40 1040-50 1550-60 1760-70 670-80 4(i) What is the lower limit of class 50-60?(ii) Find the class marks of the classes 40-50, 50-60.(iii) What is the class size?PLS TELL...its urgent...And give the correct answer pls
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