Exam 14: Basic Data Analysis

Analyses that test hypotheses and models involving multiple (three or more)variables or sets of variables are referred to as ____________________ statistical analyses.

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

The distribution of the dependent variable determines which marginal total will serve as a base for computing percentages.

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

The appropriate test to use for hypotheses involving an observed mean compared to specified value is the univariate ____________________.

When sample size (n)is larger than ____, the t-distribution and Z-distribution are almost identical.

___________ involves the basic cross-tabulation within various subgroups of the sample.

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

The researcher examining descriptive statistics for any particular variable is using which type of statistics?

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

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

The purpose of a table in a research report is to summarize and communicate the meaning of the data to the reader.

Researchers usually are more interested in the inner cells of a contingency table, which display conditional frequencies (combinations).

A Type I error occurs when the researcher fails to reject the null hypothesis when the alternative hypothesis is true.

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)____.

The type of measurement scale used in the research study determines the possible statistical tests that can be used appropriately with the resulting data.