Math, asked by sharmashaweta35, 7 months ago

weekly packet expenses in₹ of class VIII are 37 ,41,39, 34,71, 26,56, 61,58, 79 83,7,2, 64, 39, 75,39,37,59,57,38,49,45,70,89,44,37,79,76,. construct the grouped frequency table with the class interval of equal width such as 30-35 also find the range of the weekly pocket expenses answer

Answers

Answered by amitnrw

Given : Weekly pocket expenses (in $) of 30 students of class VIII are 37, 41, 39, 34, 71, 26, 56, 61, 58, 79, 83, 72, 64, 39, 75, 39, 37, 59, 57, 37, 53, 38, 49, 45, 70, 82, 44, 37, 79, 76.

To Find : the grouped frequency table with the class interval of equal width

Range

Solution:

Range = Maximum - minimum

83 - 26 = 57

Class interval Tally marks frequency

25 - 30 | 1

30 - 35 | 1

35 - 40 $\setlength{\unitlength}{0.5cm} \begin{picture}(4,4) \multiput(2, 1)(0.2, 0){4}{\line(0, 1){0.5}} \put(1.8, 1){\line(2, 1){1}} \end{picture}$ ||| 8

40 -45 || 2

45 - 50 || 2

50 -55 | 1

55 - 60 |||| 4

60 - 65 || 2

65 - 70 0

70 -75 ||| 3

75 - 80 |||| 4

80- -85 || 2

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Answered by kohlihridhaan

Answer:

Given : Weekly pocket expenses (in $) of 30 students of class VIII are 37, 41, 39, 34, 71, 26, 56, 61, 58, 79, 83, 72, 64, 39, 75, 39, 37, 59, 57, 37, 53, 38, 49, 45, 70, 82, 44, 37, 79, 76.

To Find : the grouped frequency table with the class interval of equal width