Mean, Median, Mode, and Range Review

Front

What is the range in a set of numbers?

Back

The range is the difference between the largest and smallest numbers in a set.

Front

How do you find the range of Roger's bowling scores: 155, 165, 138, 172, 127, 193, 142?

Back

The range is 193 - 127 = 66.

Front

What is the median in a data set?

Back

The median is the middle value when the data is ordered from least to greatest.

Front

How do you find the median if there is an even number of data points?

Back

Order the data, add the two middle values, and divide by 2.

Front

What is the mode in a set of numbers?

Back

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

Front

If the numbers are 4, 1, 2, 2, 3, what is the mode?

Back

The mode is 2, as it appears most often.

Front

What is the mean in a data set?

Back

The mean is the average of all the numbers, calculated by adding them together and dividing by the number of values.

Front

What is the mean of the following numbers: 9, 8, 12, 6, 10?

Back

The mean is (9 + 8 + 12 + 6 + 10) / 5 = 9.

Front

What is a box and whisker plot?

Back

A box and whisker plot is a graphical representation of a data set that shows the median, quartiles, and extremes.

Front

How do you determine the median from a box and whisker plot?

Back

The median is represented by the line inside the box.