Quiz 2

1. Music sales: The following frequency distribution presents the sales, in millions of dollars, for several categories of music during two different years.

Digital streaming _______from the first year to the second.

2.  Select the appropriate word or phrase to complete each sentence.

In a data set, the proportion of items that are in a particular category is called the ___________

3.  Hospital admissions: The following frequency distribution presents the five most frequent reasons for hospital admissions in U.S. community hospitals in a recent year.

The categories coronary atherosclerosis, congestive heart failure, and heart attack refer to diseases of the circulatory system. True or false: There were less hospital admissions for infant birth than for diseases of the circulatory system.

It is ____ that there were less hospital admissions for infant birth than for diseases of the circulatory system.

4.

Select the appropriate word or phrase to complete each sentence.

A histogram is _____if it has two clearly distinct modes.

5.

Select the appropriate word or phrase to complete each sentence.

_________ is useful when the data consist of values measured at different points in time.

6.  List the data in the following stem-and-leaf plot. The leaf represents the tenths digit.

Separate the numbers in the list by a comma. The list is: