Exam 1: Data and Statistics

For ease of data entry into a university database, 1 denotes the student is enrolled in an undergraduate degree program, 2 indicates the student is enrolled in a master's degree program, and 3 indicates the student is enrolled in a doctoral degree program. In this case, the data are which scale of measurement?

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

Data collected over several time periods are _____ data.

A portion of the population selected to represent the population is called _____.

Quantitative data _____.

All data collected in a study are referred to as the _____.

In a questionnaire, respondents are asked to record their age in years. Age is an example of a _____.

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, "20% of all students at the university are Business majors." This report is an example of _____.

Which of the following variables uses the interval scale of measurement?

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

Which of the following is an example of quantitative data?

In a data set, the number of observations will always be the same as the number of _____.

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

What organization developed the report, "Ethical Guidelines for Statistical Practice"?

Which of the following is NOT a categorical variable?

A statistics professor asked students in a class their ages. Based on this information, the professor states that the average age of students in the university is 21 years. This is an example of _____.

The term _____ is used to refer to the process of capturing, storing, and maintaining data.

The entities on which data are collected are _____.

A Scanner Data User Survey of 50 companies found that the average amount spent on scanner data per category of consumer goods was $387,325 (Mercer Management Consulting, Inc., April 24, 1997). The $387,325 is an example of _____.

Statistical inference _____.