Exam 20: Basic Data Analysis: Descriptive Statistics

A graphic representation of the range, central tendency, percentiles, and variabilities of a variable is called a(n) ______ plot.

The conventional rule for computing percentages in a contingency table is to compute the percentages in the direction of the _____.

The reference base is the number of respondents or observations (in a row or column) used as a basis for computing percentages in a cross-tabulation.

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 ______.

Explain the components of a box and whisker plot.

Arranging data into a table is called _____.

Cross-tabulation allows the inspection and comparison of differences among groups based on interval or ratio measures.

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

When a researcher makes inferences about the meaning of the data from a research study and draws conclusions about what these data mean in terms of their implications, this is an example of _____.

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

The _____ is the number of respondents or observations used as a basis for computing percentages.

An analysis of the cross-tabulations for each level of a variable as it applies to sub-groups of the sample is known as ______ analysis.

A researcher desires a graphical representation of central tendencies, percentiles, variabilities, and the shapes of frequency distributions of the data. Which of the following will do this for the researcher?

Which of the following is the appropriate technique for addressing research questions involving relationships among multiple less-than interval variables?

Counting the number of responses to questions in a survey by hand is called _____.

All statistics that are appropriate to use for higher-order scales (ratio scales are the highest) are also appropriate to use with lower-order scales (nominal scales are the lowest).

When a data set is bimodal, a median split of the data will lead to error.

When a third variable is included in the analysis that is studying the relationship between an independent variable and a dependent variable, and this third variable changes the relationship between the independent variable and the dependent variable in an important way, this third variable is called a(n) _____.

An extreme value that lies far outside of the normal range of most of the data in a distribution (either as a very high score or as a very low score) is called an anomaly.

_____ analysis is another name for quadrant analysis.