Exam 14: Basic Data Analysis

A two-way contingency table in which each variable has two possible levels is a(n) ____________________ table.

All statistics that are appropriate to use for higher-order scales are also appropriate to use with lower-order scales.

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

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

Suppose 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. The proportion of the sample who recognize this brand name is approximately ____.

The t-test is appropriate for small sample sizes with unknown standard deviations.

Failing to identify a hypothesized difference using a sample result when a difference really does exist in the population is a ____ error.

A significance level is a critical probability associated with a statistical hypothesis test that indicates how likely it is that an inference supporting a difference between an observed value and some statistical expectation is true.

Another name for an observed or computed significance level is the ____________________.

Explain the appropriate statistical analysis for the following hypothesis: H1: The average household income in zip code 71227 is greater than $50,000.

When a researcher sets an acceptable significance level a priori, the researcher is determining how much tolerance will be allowed for a ____ error.

The row and column totals in a contingency table are called subtotals because they are less than the total.

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

A planogram is a graphical way of showing the frequency distribution in which the height of a bar corresponds to the frequency of a category.

The transformation of raw data into a form that makes the data easier to understand and to interpret is called ____.

Which type of statistical analysis tests hypotheses involving only one variable?

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

It is hypothesized that an individual's style of processing information (i.e., verbal or visual) will influence the impact of advertising on attitudes toward the brand being advertised. Style of processing, then, is considered which type of variable?

The orderly arrangement of data into a summary form is known as ____________________.

The nature of the problem the researcher wishes to answer will determine which ____ will serve as a base for computing percentages.