Mean Median Mode 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 total count of numbers.

Front

How do you calculate the mean of a data set?

Back

To calculate the mean, sum all the values in the data set and divide by the number of values.

Front

What is the median?

Back

The median is the middle value in a data set when the numbers are arranged in order.

Front

How do you find the median of a data set with an odd number of values?

Back

Arrange the numbers in order and select the middle number.

Front

How do you find the median of a data set with an even number of values?

Back

Arrange the numbers in order and calculate 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

Can a data set have more than one mode?

Back

Yes, a data set can be bimodal (two modes) or multimodal (more than two modes) or have no mode at all.

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 calculate the range of a data set?

Back

To calculate the range, subtract the smallest number from the largest number.

Front

What is an example of calculating the mean?

Back

For scores 75, 97, and 92, the mean is (75 + 97 + 92) / 3 = 88.