Mean Median Mode Range

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 total count of numbers.

Front

What is the median?

Back

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

Front

What is the mode?

Back

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

Front

What is the 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 5, 5, 5, 5?

Back

Add the numbers: 5 + 5 + 5 + 5 = 20. Then divide by the count: 20 ÷ 4 = 5.

Front

How do you find the median of 3, 5, 7, 4, 3, 1?

Back

First, sort the numbers: 1, 3, 3, 4, 5, 7. There are 6 numbers, so the median is the average of the 3rd and 4th numbers: (3 + 4) ÷ 2 = 3.5.

Front

What does it mean if a score is the mode?

Back

It means that score was received by more students than any other score.

Front

If the highest score is 99 and the lowest is 50, what is the range?

Back

Range = Highest score - Lowest score = 99 - 50 = 49.

Front

What is the median of the numbers 2, 8, 3, 5, 7?

Back

Sort the numbers: 2, 3, 5, 7, 8. The median is 5.

Front

What is the mode of the numbers 1, 2, 2, 3, 4?

Back

The mode is 2, as it appears most frequently.