Exam 1: Data and Statistics

For ease of data entry into a university database, 1 denotes that the student is an undergraduate and 2 indicates that the student is a graduate student. In this case data are

All the data collected in a particular study are referred to as the

A sample of five Fortune 500 companies showed the following revenues ($ millions): 7505.0, 2904.7, 7208.4, 6819.0, and 19500.0. Based on this information, which of the following statements is correct?

The birth weight of newborns, measured in grams, is an example of

Quantitative data that measure how many are ________; quantitative data that measure how much are ________.

Which of the following is NOT a scale of measurement?

The most common type of observational study is

Which of the following variables use the ratio scale of measurement?

The term data warehousing is used to refer to the process of doing all of the following except

Exhibit 1-1 In a recent study based upon an inspection of 200 homes in Daisy City, 120 were found to violate one or more city codes. -Refer to Exhibit 1-1. The Daisy City study described above is an example of the use of a

The Department of Transportation of a city has noted that on the average there are 14 accidents per day. The average number of accidents is an example of

Statistical inference

Data collected at the same, or approximately the same, point in time are

In a sample of 800 students in a university, 360, or 45%, live in the dormitories. The 45% is an example of

Data collected over several time periods are

In a sample of 800 students in a university, 160, or 20%, are Business majors. Based on the above information, the school's paper reported that "20% of all the students at the university are Business majors." This report is an example of

The U.S. Census Bureau conducts a census every

Which of the following is an example of quantitative data?

The entities on which data are collected are

__________ is an example of an existing source of data.