Question

The weekly pocket expenses of 15 students of a class are given below
62,80, 111, 75, 84, 75,
60, 62, 100,84, 62, 100,111, 84,62
(1) Calculate the range of this data.
(m) What is the average weekly expenditure of the class?
(m) Calculate the mode and median​

Answer 1

1.range=maximum no.-minimum no.

111-60=51

2.mean=total no.of pocket money/total no. of student

62+80+111+75+84+75+60+62+100+84+62+100+111+84+62/15

1212/15

=80.8=81

3. mode =no. which come maximum times

62 has come 4 times

so mode is 62

median=n+1/2

First arrange in ascending order

60,62,62,62,62,75,75,80,84,84,84,100,100,111,111

n+1/2=15+1/2=8

8 no. is 80

so median is 80

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Answer 2

Answer:

Answer in attachment...

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