Exam 14: Basic Data Analysis

An index split means that respondents below the observed median go into one category and respondents above the median go into another.

A Type II error occurs when the researcher rejects the null hypothesis when, in fact, it is true.

Examining responses to the question "Have you ever purchased a ticket online for an American Airlines flight?" by looking at subgroups based on gender and zip code is an example of ____.

The orderly arrangement of data in a summary format showing the number of responses to each response category is called ____.

Descriptive statistics are a type of univariate statistics.

A contingency table is a data matrix that displays the frequency of some combination of possible responses to multiple variables.

A researcher is reviewing average household income data and sees that one household reported an annual income of over $1 million. This value lies outside the normal range of the data and is called a(n) ____.

When tabulation is done by hand to create a frequency table, the data are said to be ____________________.

When a respondent's answers to ten Likert-scale items are added up to form a total subtest score for these questions, ____ is being used.

Cross-tabulation allows the inspection and comparison of differences among groups based on nominal or ordinal categories.

The researcher who uses a sample rather than the entire population runs the risk of committing two types of errors: primary errors and secondary errors.

Suppose a third variable inserted into an analysis changes the results of when two other variables were studied previously. This third variable is called a moderator variable.

Which type of error occurs when the researcher concludes a relationship exists, when in fact one does not exist?

The number of respondents or observations (in a row or column) used as a basis for computing percentages in a contingency table is referred to as the ____.

An arrangement of data that shows the number of times each category occurs is called a(n) ____ table.

Counting the different ways respondents answered a question and arranging them in a simple summary form yields a(n) ____.

A data matrix that displays the frequency of some combination of possible responses to multiple variables called a(n) ____________________ table.

The error caused by rejecting the null hypothesis when it is, in fact, true is called a ____.

What is a contingency table and how is it useful in marketing research?

Scores or observations recalibrated to indicate how they relate to a base number are referred to as ____.