Question

Construct a frequency distribution table for the following weights (in kg) of 35 students of class VIII, using the equal class intervals, one of them 30-35 (35 not included). [2] 20, 22, 25, 27, 35, 40, 50, 55, 23, 45, 32, 37, 45, 48, 21, 37, 26, 47, 55, 54, 29, 38, 42, 51, 30, 24, 36, 51, 25, 26, 32, 45, 40, 50, 24

(1) How many students of class VIII lies in the weight interval 35-50? [%]

() Which weight group has the lowest frequency?​

Answer 1

Answer:

Solution

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Weight in kg No. of students

30−35 3

35−40 5

40−45 3

45−50 5

50−55 2

55−60 1

60−65 1

a−b⇒a<W≤b

W→ weight.