Mean Median Mode Range Exit Ticket

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 2, 9, 10, 6, 8?

Back

Add the numbers: 2 + 9 + 10 + 6 + 8 = 35. Then divide by 5 (the number of values): 35 ÷ 5 = 7.

Front

What is the mean of 5, 5, 5, 5?

Back

The mean is 5, since all numbers are the same.

Front

What is the mode?

Back

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

Front

What is the mode of the numbers 1, 2, 2, 3, 4?

Back

The mode is 2, as it appears most frequently.

Front

What is the range?

Back

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

Front

What is the range of Lizzy's test scores: 72, 94, 108, 60?

Back

Range = 108 - 60 = 48.

Front

How do you find the median?

Back

To find the median, arrange the numbers in order and identify the middle number.

Front

What do you do if there are two middle numbers when finding the median?

Back

Add them together and divide by 2.

Front

What is the median of 3, 1, 2?

Back

Arrange in order: 1, 2, 3. The median is 2.