Mode

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SAT Math › Mode

Questions 1 - 10
1

What is the mode of the following data set?

{9, 10, 4, 11, 7, 5, 15, 7, 2, 20, 11, 19, 7, 9}

7

9

2

11

7 and 9

Explanation

Arrange the set in numerical order: {2, 4, 5, 7, 7, 7, 9, 9, 10, 11, 11, 15, 19, 20}.

You can then chart the frequency of each value.

Value (Frequency)

2 (1)

4 (1)

5 (1)

7 (3)

9 (2)

10 (1)

11 (2)

15 (1)

19 (1)

20 (1)

From this you can see the most common value, which is the mode, is 7.

2

Determine the mode of the following numbers:

Explanation

The mode is defined as the number or numbers that has the highest frequency in the data set.

The numbers appear in the data set twice, while the other numbers appear once.

This means that the mode is:

3

Find the mode of the following set:

Explanation

The mode of the set is the number in the set that is repeated the greatest number of times.

For this set, our answer and the number that is most repeated is:

4

Find the mode of the following set:

Explanation

The mode of a set is the number that is repeated the greatest number of times. For this set:

The most repeated number and our answer is:

5

Find the mode of:

Explanation

Step 1: Define Mode...

The mode of a set is a number that repeats the most time. If more than one number repeats the same exact number of times as the rest,

Step 2: Count how many times a certain number appears...

times

times

time.

Step 3: Find the numbers that happen the most frequent...

The numbers are all the modes of the set.

6

Which value above would be the mode of this particular data set?

Explanation

The mode is the value that occurs the most times in one set. In the given set that value is which occurs five times.

7

What is the mode of 8, 7, 5, 4, 12, 13, 7, 2, 7?

Explanation

The mode is the number that is repeated the most within a set. In our case we see 7 repeated 3 times therefore our mode is 7

8

Find the mode of the following data set:

Explanation

Find the mode of the following data set:

Let's begin by putting our data in increasing order:

Now, the mode is just the most common term. In this case, we have 44 repeated three times. This means that 44 is our mode.

9

Find the mode of this data set:

Explanation

Find the median of this data set:

To begin, let's put our numbers in increasing order:

Next, find the mode by finding the most repeated number. With our numbers in increasing order, it should be clear that our mode is 76.

10

Find the mode of the following data set:

Explanation

Find the mode of the following data set:

The mode is just the most common term in your sequence.

In this case, we only have one term that gets repeated... Can you spot it?

That's right, 117

So our answer is 117.

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