Mean, Median, Mode and Range

Front

What is the definition of Mean in statistics?

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 find the Median of a set of numbers?

Back

To find the Median, first sort the numbers in ascending order. If there is an odd number of values, the Median is the middle number. If there is an even number of values, the Median is the average of the two middle numbers.

Front

What is the definition of Mode in statistics?

Back

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

Front

What is the Range of a set of numbers?

Back

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

Front

What is the first step in finding the Median?

Back

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

Front

If a data set has the numbers 1, 2, 2, 3, 4, what is the Mode?

Back

The Mode is 2, as it appears most frequently.

Front

What is the Median of the following set of numbers: 5, 3, 8, 9, 2?

Back

The Median is 5, after sorting the numbers to 2, 3, 5, 8, 9.

Front

How do you calculate the Mean of the numbers 10, 20, 30?

Back

Add the numbers (10 + 20 + 30 = 60) and divide by the count of numbers (3), resulting in a Mean of 20.

Front

What is the Median of the following set of numbers: 12, 15, 14, 10, 18?

Back

The Median is 14, after sorting the numbers to 10, 12, 14, 15, 18.

Front

What is the Range of the numbers 3, 7, 2, 9?

Back

The Range is 9 - 2 = 7.