Mean, Median, Mode, and Range Checkpoint

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 number in a sorted list of numbers. If there is an even number of observations, the median is the average of the two middle numbers.

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 largest and smallest numbers in a data set.

Front

How do you calculate the Mean of the numbers 4, 3, 15, 11, 3, 8, 7, 5?

Back

Mean = (4 + 3 + 15 + 11 + 3 + 8 + 7 + 5) / 8 = 7.5.

Front

How do you find the Median of the numbers 4, 3, 15, 11, 3, 8, 7, 5?

Back

First, sort the numbers: 3, 3, 4, 5, 7, 8, 11, 15. The median is (5 + 7) / 2 = 6.

Front

How do you find the Mode of the numbers 4, 3, 15, 11, 3, 8, 7, 5?

Back

The mode is 3, as it appears most frequently.

Front

What is the Range of the heights: 158cm, 172cm, 164cm, 164cm, 167cm, 159cm?

Back

Range = 172cm - 158cm = 14cm.

Front

What is the Range of Roger's bowling scores: 155, 165, 138, 172, 127, 193, 142?

Back

Range = 193 - 127 = 66.

Front

What is the formula to calculate the Mean?

Back

Mean = (Sum of all items) / (Number of items in the set).