Mean, Median, Mode, Range

Front

What is the mean of a set of numbers?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and then dividing by how many numbers there are.

Front

What is the median in a data set?

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 mode of a data set?

Back

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

Front

What is the range of a data set?

Back

The range is the difference between the highest and lowest values in a data set.

Front

Another word for mean is...

Back

average.

Front

How do you find the mode of the numbers 3, 3, 4, 6, 9?

Back

The mode is 3, as it appears most frequently.

Front

What is the median of the numbers 1, 3, 3, 6, 7, 8, 9?

Back

The median is 6, as it is the middle number in the sorted list.

Front

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

Back

The range is 15 (20 - 5 = 15).

Front

If the numbers are 2, 4, 4, 4, 5, what is the mode?

Back

The mode is 4, as it appears most frequently.

Front

To find the mean of 10, 20, 30, you...

Back

Add the numbers together (10 + 20 + 30 = 60) and divide by how many numbers there are (3), so the mean is 20.