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Question

In the given set of data which numbers have the frequency 2.

10, 40, 80, 100, 30, 40, 30, 40, 20, 80.


A

1

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B

2

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C

3

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D

4

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Solution

The correct options are
A

1


C

3


Frequency is the number of times an event occurred in a study.

Now, frequency 2 for the above data set means that a number has repeated twice.

In the given set of data, the value '40' occurs 3 times.
Thus, the frequency of 40 is 3.

Similarly, Frequency for 80 = 2

Frequency for 30 = 2


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