M6 ~ U10 Lessons 1-2 Mean, Median, & Mode

Front

What is the definition of 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 definition of the median?

Back

The median is the middle number in a sorted list of numbers. If there are two middle numbers, add them together and divide by 2.

Front

What is the definition of the mode?

Back

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

Front

How do you find the median in a set of numbers?

Back

1. Sort the numbers in ascending order. 2. If there is an odd number of values, the median is the middle number. 3. If there is an even number of values, the median is the average of the two middle numbers.

Front

Find the mean of the following numbers: 2, 4, 6, 8.

Back

(2 + 4 + 6 + 8) / 4 = 5.

Front

Find the mode of the following numbers: 1, 2, 2, 3, 4.

Back

The mode is 2, as it appears most frequently.

Front

Find the median of the following numbers: 3, 1, 4, 2.

Back

Sort the numbers: 1, 2, 3, 4. The median is (2 + 3) / 2 = 2.5.

Front

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

Back

Add them together and divide by 2.

Front

If the numbers are: 5, 5, 6, 7, 8, what is the mode?

Back

The mode is 5, as it appears most frequently.

Front

What is the median of the following set: 10, 20, 30, 40, 50?

Back

The median is 30, as it is the middle number.