Exam 8: Elementary Quantitative Data Analysis

The diagram below is a:

Nominal variables should be displayed on:

What measure of variability is most appropriate for a ratio variable with many outliers?

In the following distribution of the variable semesters completed, which is median: 4, 3, 1, 0, 3, 3, 4, 0, 3, 2, 4?

Consider the use of bar charts, histograms, and frequency polygons. When are each appropriate? Sketch each type of graph. What standards exist for presenting graphic data in social research?

In distributions with an even number of cases, the median is computed by taking the arithmetic average between the two middle cases.

The total number of cases in a distribution is called:

Use the following to answer questions 16-18: In each set, match a concept from Group A to a definition or example from Group B. -Elements of a Crosstabulation Group A 1. body of the table 2. cell 3. marginals 4. column 5. base number (N) Group B a. Typically divided into categories of the independent variable b. Combinations of row and column values that represent unique combinations of values c. The total number cases in the distribution d. Typically divided into categories of the dependent variable e. Part of table between row and column labels and row and column totals f. Frequency distributions for independent and dependent variables

Which of the following data displays would be most appropriate for displaying the distribution of gender (male, female, other)?

In the following distribution of the variable semesters completed, which is the mode: 4, 3, 1, 0, 3, 3, 4, 0, 3, 2?

Descriptive statistics estimate the degree of confidence in generalizations made from a sample to a population.

Describe circumstances in which mean, median, and modes are best used as measures of central tendency, providing at least two concrete examples for each.

The diagram below is a:

Measures of central tendency assess the extent to which cases are spread out through the distribution or clustered in just one location.

Elaboration analysis demonstrations the distribution of variables on x and y axes.

How can statistics be unethically manipulated? Outline the specific ethical considerations associated with using statistics for social data analysis.

Using the table below, explain the hypothesis presented and describe the association between the variables in the following table (data are hypothetical): Level of Support for Eliminating Aid to Families with Dependent Children (AFDC) by Education

A normal distribution is generally bell-shaped.

Outliers may render a range useless for determining the distribution of a variable.