Mean, Median, Mode

Front

What is the definition of Mean?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the total count of numbers.

Front

What is the definition of Median?

Back

The median is the middle number in a sorted list of numbers. If there is an even number of values, the median is the average of the two middle numbers.

Front

What is the definition of Mode?

Back

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

Front

What is the definition of Range?

Back

The range is the difference between the largest and smallest numbers in a data set.

Front

How do you find the Mean of the numbers 4, 8, 6, 5?

Back

Add the numbers: 4 + 8 + 6 + 5 = 23. Then divide by the count of numbers: 23 ÷ 4 = 5.75.

Front

How do you find the Median of the numbers 3, 1, 4, 2?

Back

First, sort the numbers: 1, 2, 3, 4. Since there are 4 numbers (even), the median is (2 + 3) ÷ 2 = 2.5.

Front

How do you find the Mode of the numbers 5, 3, 5, 2, 3, 5?

Back

The mode is 5, as it appears most frequently (three times).

Front

What is the Range of the numbers 10, 15, 20, 5?

Back

Range = Largest number - Smallest number = 20 - 5 = 15.

Front

If the scores are 90, 80, 90, 70, what is the Mode?

Back

The mode is 90, as it appears most frequently.

Front

If the numbers are 12, 15, 10, 20, what is the Median?

Back

First, sort the numbers: 10, 12, 15, 20. The median is (12 + 15) ÷ 2 = 13.5.