Question

24, 25, 23, 20, 20, 19, 22, 20, 24, 22, 18, 20, 20, IU,
7. The weights (in kg) of 30 students of a class are 49, 48, 46, 48, 48, 50, 52, 53, 54, 43, 4
56, 48, 47, 41, 40, 49, 51, 51, 56, 46, 45, 44, 49, 53, 42 and 47.​

Answer 1

Answer:

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.

Step-by-step explanation:

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