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5. Data Handling
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Q6 of 41 Page 5

A coin is tossed 200 times and head appeared 120 times. Find the probability of getting a head in this experiment.

Total number of times coin tossed = 120

⇒ Total number of outcomes = 120


Number of times head appears = 200


⇒ Total number of favourable outcomes = 200




Hence, the probability of getting a head in this experiment is 3/5.


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4

What does the height of the rectangle in the histogram represents?

5

Themarks obtained by 40 students of class VIII in an examination are given below :

16, 17, 18, 3, 7, 23, 18, 13, 10, 21, 7, 1, 13, 21, 13, 15, 19, 24, 16, 3, 23, 5, 12, 18, 8, 12, 6, 8, 16, 5, 3, 5, 0, 7, 9, 12, 20, 10, 2, 23.


Divide the data into five groups namely 0-5, 5-10, 10-15, 15-20 and 20-25 and prepare a grouped frequency table.

7

Given below is the frequency distribution of the heights of 50 students of a class:

Draw a histogram representing the above data.

8

A bag contains 5 white and 7 red balls. One ball is drawn at random. What is the probability that ball drawn is white?

Questions · 41
5. Data Handling
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