Category

Total Number

Example 1

Example 2

Examples citing data source

267

The table below gives the distribution of educational level for persons age 25 and over in the U.S. in 1960,1970, and 1991… Draw a histogram for the 1991 data...

The figure below is a scatter diagram for the ages of husbands and wives in Indiana. Data are from the March 2005 Current Population Survey...

Hypothetical Examples

174

Ten people in a room have an average height of 5 feet 6 inches. An 11th person, who is 6 feet 5 inches tall, enters the room. Find the average height of all 11 people.

(Hypothetical.) Is Wheaties a power breakfast? A study is done in an elementary statistics class… What aspects of the study could have been done 'blind'?

Other data examples: from implicitly hypothetical to "inspired by
a true story"

109

A study is made of Math and Verbal SAT scores for the entering class at a certain college…

A simple random sample of size 400 was taken from the population of all manufacturing establishments in a certain state: 11 establishments in the sample had 100 employees or more…

Conceptual Questions

91

When studying one variable, you can use a graph called a ___. When studying the relationship between two variables, you can use a graph called a ___.

What's the worst thing about a sample of size one?

Calculation Questions

274

(a) Find the average and the r.m.s. size of the numbers on the list 1,3,5,6,3. (b) Do the same for the list 11,8,9,3,15.

A coin will be tossed 1,000 times. About how many heads are expected?
