How to find mode

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GRE Quantitative Reasoning › How to find mode

Questions 1 - 6
1

A survey has shown that the number of children that newlyweds plan to have is respectively. What is the mode of the number of children newlyweds tend to have based on this survey?

Explanation

To solve this problem, we must be clear on the definition of the mode of a set of numbers. The mode is defined as the number that occurs the most frequently within a set of numbers. In this case, we can see that the number 1 occurs 3 times, the number 2 occurs 4 times, the number 3 occurs 3 times, the number 4 occurs 2 times and the number 5 occurs only one time. Therefore the mode of this survey is 2.

2

What is the mode of the following set of numbers?

Explanation

The mode is the most occuring value in a set. is the mode because it occurs 6 different times in the set.

3

Find the mode of the following set of numbers:

4,6,12,9,12,90,12,18,12,12,12,4,4,4,9,7,76

12

4

90

18

6

Explanation

Mode is the item that appears most often.

4

Find the mode:

Explanation

The mode is the number that appears most frequently in a given set.

5

Quantity A: The mode of

Quantity B: The median of

The two quantities are equal.

Quantity A is greater.

Quantity B is greater.

The relationship cannot be determined.

Explanation

Begin by organizing the set in numerical order

The mode is the value which repeats the most, so

Quantity A:

Now, since there are an even number of values, the median is the average of the two middle values:

Quantity B:

The two quantities are equal.

6

The Bobcats scored 91, 83, 82, 82, 78, 87, 89, 96, and 86 points in their last nine home games. What is the difference between the average and the mode of their points scored?

Cannot be determined

Explanation

The average is the sum of the points scored in the last nine games divided by 9, which equals 86. The mode is the score which occurs most often, 82. 86 – 82 = 4

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