Example 1.10 from Statistics, 1.2 Data, Sampling, and Variation in Data and Sampling

Data, Sampling, and Variation in Data and Sampling: example 1.10

A statistics professor collects information about the classification of her students as freshmen, sophomores, juniors, or seniors. The data she collects are summarized in the pie chart Figure 1.3. What type of data does this graph show?

This is a pie chart showing the class classification of statistics students. The chart has 4 sections labeled Freshman, Sophomore, Junior, Senior. A question is asked below the pie chart: what type of data does this graph show?

Figure 1.3

Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.

Solution
This pie chart shows the students in each year, which is qualitative or categorical data.

How did it go?

Solution

Solution