CW #13 - Mean, Median, Mode and Range

Front

What is the definition of 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 Median?

Back

The median is the middle value in a set of numbers when they are arranged in order from least to greatest.

Front

What is the definition of Mode?

Back

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

Front

What is the definition of Range?

Back

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

Front

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

Back

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

Front

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

Back

To find the median, arrange the numbers in order, take the two middle numbers, and calculate their average.

Front

Given the data set: 5, 7, 3, 9, 1. What is the Median?

Back

The median is 5.

Front

Given the data set: 10, 20, 30, 40, 50. What is the Range?

Back

The range is 50 - 10 = 40.

Front

What is the Mode of the data set: 2, 3, 4, 4, 5, 5, 5, 6?

Back

The mode is 5.

Front

If the data set is: 12, 15, 12, 18, 20, what is the Mean?

Back

The mean is (12 + 15 + 12 + 18 + 20) / 5 = 15.4.