Plotting and Interpreting Data Review

Front

What is the range of 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 the following data: 36, 67, 32, 31, 27?

Back

Subtract the smallest number (27) from the largest number (67). Range = 67 - 27 = 40.

Front

What do the stems in a stem-and-leaf plot represent?

Back

The stems represent the place value of the leading digits, typically the tens place.

Front

What is the mode of a set of numbers?

Back

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

Front

Find the mode of the following data: 18, 20, 16, 14, 18, 14, 12, 18.

Back

The mode is 18, as it appears most frequently.

Front

True or False? The mode of the following data is 14: 18, 20, 16, 14, 18, 14, 12, 18.

Back

False, the mode is 18.

Front

What is the process for finding the range of a set of numbers?

Back

Subtract the smallest number from the largest number.

Front

If the smallest number is 5 and the largest number is 20, what is the range?

Back

Range = 20 - 5 = 15.

Front

What is a stem-and-leaf plot?

Back

A stem-and-leaf plot is a method of displaying quantitative data in a graphical format, similar to a histogram.

Front

What does it mean if a data set has no mode?

Back

It means that no number appears more than once in the data set.