The weights (in kg)of 30 students of a class are 39,38,36,38,40,42,43,44,33,33,31,45,46,38,37,31,30,39,41,41,46,36,35,34,39,43,32,37,29,26.
prepare a frequency distribution table using one class interval as (30-35)
i)Which class has the least frequency?
ii)which class has the maximum frequency?
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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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