How to find mode

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ISEE Upper Level Quantitative Reasoning › How to find mode

Questions 1 - 10
1

What is the mode value in the set below?

Explanation

The first step is to convert the expressions in the set to their simplified forms. This gives us:

While the value of 4 appears twice, given that the value 3 appears 3 times, it is the mode in this set.

2

Find the mode of the following data set:

Explanation

Find the mode of the following data set:

First, let's put our terms in increasing order:

Now, our mode will just be our most common term. In this case it is 33.

3

Give the mode(s) of the data set:

The data set has no mode.

Explanation

The mode of a data set is the element that appears most frequently. In this set, that element is , which appears three times. No other element appears more than twice.

4

Find the mode and the median of the frequency distribution shown in the following table:

Explanation

The mode is the value that appears most often or has more frequency which is in this problem. The total number of data values are . Since the number of values is odd, the median is the single middle value which is the value in this problem. So the median is .

5

In the following set of scores find the mode:

Explanation

The mode is the value that appears most often or has more frequency in a given set of data. So in this problem, the mode is which occurs most frequently.

6

Use the following data set of test scores to answer the question:

Find the mode.

Explanation

To find the mode of a data set, we will find the number the appears most often.

So, given the set

We can see the number that appears most often is 99.

Therefore, the mode of the data set is 99.

7

Use the following data set to answer the question:

Find the mode.

Explanation

To find the mode of a data set, we will find the number that occurs most often.

So, given the data set

we can see the number 5 occurs most often (it occurs 4 times.)

Therefore, the mode of the data set is 5.

8

Give the mode(s) of the data set

The data set has no mode.

Explanation

The mode of a data set is the element that appears the most frequently. When two numbers both appear most frequently, there are two modes:

9

Find the mode of the following data set:

Explanation

Find the mode of the following data set:

To find the mode, first put the numbers in increasing order

Next, find the mode by simply choosing the most common number.

In this case, 12 appears three times, so it is our most common term.

10

What is the mode of the following set of numbers?

Explanation

To determine the mode, you need to identify which number appears most frequently in the set of numbers.

In this set of numbers, the number 2 shows up three times, and no other number occurs three or more times. Thus, it is the only mode.

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