Question

The weight (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 class interval 30-35, 35- 40 and so on. Also represent this information in the form of histogram.

Answer 1

Step-by-step explanation:

FREQUENCY DISTRIBUTION TABLE

class interval frequency tally marks

_______ /_________/_____

25-30 3 ///

30-35 6 //////

35-40 12 ////////////

40-45 7 ///////

45-50 3 ///

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Answer 2

Answer:

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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.