Mean and Median

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

How do you calculate the Mean of a data set?

Back

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

Front

Find the Mean of: 8, 14, 32, 6, 15

Back

15

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?

Back

To find the Median, first sort the numbers in ascending order, then identify the middle number.

Front

Find the Median of: 12, 5, 9, 18, 22, 25, 5

Back

12

Front

What is the first step to find the Median?

Back

The first step is to sort the data from least to greatest.

Front

Find the Mean of: 4, 5, 5, 2, 3, 3, 2, 8

Back

4

Front

Find the Mean of the data set: 34, 57, 58, 56, 21

Back

45.2

Front

What is the importance of sorting data when finding the Median?

Back

Sorting data is crucial because the Median is determined by the position of numbers in order.