College

1) Answer the following:

a) A survey was carried out in a class to find out the allowance the students received each day from their parents. The figure below represents the allowance in dollars each student received.

15, 10, 30, 25, 30, 40, 20, 50, 20, 30, 40, 20, 10, 10, 20, 10, 15, 40, 20, 25, 10, 15, 30, 30, 20, 15, 10, 10, 20, 20, 10, 50, 20, 10, 30, 30

What is the frequency of $10.00?

Answer :

The Solution:

Given the data below in dollars:

15 10 30 25 30 40 20 50 20

30 40 20 10 10 20 10 15 40

20 25 10 15 30 30 20 15 10

10 20 20 10 50 20 10 30 30

We are asked to find the frequency of $10.00.

Note:

The frequency of $10.00 is the number of times $10 appears in the given data.

So, the frequency of $10.00 is 9.

Therefore, the correct answer is 9.

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