Exam 20: Basic Data Analysis: Descriptive Statistics

Dividing a data set into two categories by placing respondents below the median in one category and respondents above the median in another is called a(n) _____.

A value that lies far beyond the range of the rest of the data set is called a(n) ______.

Explain what an index number is and how it is computed. What level of measurement is required to compute index numbers?

Breaking down the answer to the question: "Have you ever purchased a ticket online for an American Airlines flight?" into subgroups based on gender and zip code is an example of _____.

A measure of variability in a box and whisker plot is called the _____ range.

Researchers usually are most interested in the marginals in a contingency table.

Counting the number of responses to different parts of a question in a survey and arranging these responses in a frequency distribution is called _____.

Importance-performance analysis is another name for quadrant analysis.

The appropriate technique for addressing research questions involving relationships among multiple less-than interval variables is _____.

_____ analysis is the elementary transformation of data in a way that describes the basic characteristics such as central tendency, distribution, and variability.

Scores or observations recalibrated to indicate how they relate to a base number are called _____ numbers.

When a researcher combines the "Strongly Disagree" and "Disagree" responses on a Likert scale item to a single "Strongly Disagree/Disagree" percentage, this is an example of _____.

A measure of variability that is often called by the term midspread is _____.

An analysis that compares the answer to the question: "How important is each of these attributes to you for an overnight delivery service?" (e.g. on-time delivery, accurate invoicing, price, and so forth) when comparing several delivery service companies with a rating scale that rates these companies on the quality of their service on these same attributes is known as a(n) _____.

_____ is an extension of cross-tabulation in which responses to two rating-scale questions are plotted in four quadrants of a two-dimensional table.

The process of changing data from their original form to a format that more closely fits the research objectives of the research study is called data transformation.

When a third variable changes in important ways the relationship between an independent variable and a dependent variable, this third variable is called a(n) ______ variable.

It is hypothesized that an individual's need for cognition will influence the impact an advertising execution will have on attitudes toward the brand advertised. Need for cognition, then, is considered which type of variable?

A 3 x 4 table represents a contingency table with twelve variables.

All of the following are examples of descriptive statistics EXCEPT _____.