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High School Mathematics
14.4 Types of Variates - Discrete

Variates can be of two types
Discrete variate
A variable is said to be discrete if it takes distinct and isolated values. For eg: i)number of telephone calls received in an office. ii)Number of children in a family.

Classification of discrete data

The data below shows the number of accidents which occurred on each day over a period of 50 days, on a certain highway.
311021 1262
3446261132
2420334253
2516311156
2552322223

The frequency table for discrete variates is as follows.



Directions: On the basis of the given information answer the following questions. Also write at least one example of your own.
Q 1: The number of days on which minimum accidents took place is
0
2
3
1

Q 2: Over a period of 50 days, how many such days were there, when maximum number of accidents occured.
15
4
3
5

Q 3: The number of days on which four accidents a day took place is...
4
5
1
0

Q 4: The number of days on which 2 accidents occured is
0
15
5
none of these

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Question 6: This question is available to subscribers only!


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