Exam 20: Basic Data Analysis: Descriptive Statistics

The interquartile range is a measure of central tendency.

A common form of elaboration analysis is to do cross-tabulation of data within subgroups of the sample under study.

Combining the data from adjacent categories of a Likert-scale item is a common form of data transformation.

Index numbers allow researchers to track a variable's value over time and compare a variable with other variables.

Which of the following is a graphical way of showing the frequency distribution in which the height of a bar corresponds to the frequency of a category?

If 60 males are asked if they recognize the brand name, "Focus," and 35 of them correctly identify the product as a model of Ford's product line within Ford Motor Co., the proportion of males in the sample who recognize this brand name is approximately _____.

A two-way contingency table is referred to as a(n) _____ table.

_____ is the process of changing the data from their original form to a format suitable for performing a data analysis addressing research objectives.

A researcher is creating a table to present to a client that gives the number of respondents selecting the various product concepts of interest in the study. The client will use this information in the decision of which product concept to pursue. This table is referred to as a _____.

If the data are time-related, then a base year is usually chosen when calculating an index number.

Which of the following is used to simplify and clarify data?

Arranging data so that the number of times each category occurs is called a _____ table.