13. The weights (in kg) of 30 girls of Nandandham society are as below:
34 42 30 35 30 36 42 44 37 50
58 48 40 43 37 35 45 47 40 53
46 51 45 46 38 40 54 52 44 55
Prepare a frequency distribution with classes 30-35, 35-40,..
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Step-by-step explanation:
In this table class intervals are such that Lower limit is included and upper limit is not included in the class.
That means In interval (30−35), 30 is included but 35 is excluded.
And for frequency we counted how many times number from the interval occurs in given data.
Class interval Frequency
25−30 2
30−35 7
35−40 11
40−45 7
45−50 3
Total 30
(I) The least frequency is 2 and is in the class 25−30
(ii) The maximum frequency is 11 and is in the class 35−40.
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