Exam 14: Basic Data Analysis

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

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

The appropriate technique for addressing a research question involving relationships among multiple less-than interval variables is ____________________.

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 ____.

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

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

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

Descriptive statistics are a type of univariate statistics.

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

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

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

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

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

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.

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

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

The process of changing data from its original form to a format that more closely matches the research objectives of the study is called data ____________________.

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

Another name for data transformation is ____.