Mean, Median, Mode and Range

Front

What is the mean?

Back

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

Front

What is the median?

Back

The median is the middle value in a set of numbers when they are arranged in order. If there is an even number of values, the median is the average of the two middle numbers.

Front

What is the mode?

Back

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

Front

What is the range?

Back

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

Front

How do you find the mean of the numbers 10, 20, 30?

Back

Add the numbers: 10 + 20 + 30 = 60. Then divide by the count of numbers: 60 / 3 = 20. So, the mean is 20.

Front

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

Back

Arrange the numbers in order: 1, 2, 3. The median is the middle number, which is 2.

Front

Can a data set have more than one mode?

Back

Yes, a data set can have more than one mode if multiple numbers appear with the same highest frequency.

Front

What is the median of the data set 5, 3, 8, 7, 2?

Back

Arrange the numbers: 2, 3, 5, 7, 8. The median is 5.

Front

What is the mode of the data set 4, 4, 5, 6, 6, 6?

Back

The mode is 6, as it appears most frequently.

Front

What is the range of the data set 10, 15, 20, 25?

Back

The range is 25 - 10 = 15.