Exam 20: Appendix B: Behavioral Statistics

What is meant by the terms population and sample? Explain how a sample is chosen, and explain why it is chosen in this manner.

For the numbers 10, 17, 2, 9, and 15, the range is _____.

Explain the difference in descriptive and inferential statistics.

Describe a frequency distribution, what it is used for, how it is constructed, and two ways that it can be shown graphically.

_____ statistics are used to summarize numerical data, while _____ statistics are used for decision-making and generalizing from small samples.

Given these scores 22, 44, 33, 55, 33, 22, 44, 22, 55, 22, the mode is _____.

Explain what is meant by the statement, "Correlation does not demonstrate causation," and describe how causation can be established.

Graphical statistics, measures of central tendency, and measures of variability are the three basic types of _____ statistics.

If a correlation is +1.00, a(n) _____ positive relationship exists.

A bar graph of a frequency distribution is known as a(n) _____.

Juanita has determined that the correlation between her vocabulary screening test and her students' reading scores is .40.This means that _____ percent of the variation in reading scores is accounted for by knowing the students' scores on the screening test.

When measure X gets larger, measure Y gets smaller in a(n) _____ correlation.

A(n) _____ is made by breaking down the entire range of possible scores into classes of equal size and then recording the number of scores falling into each class.

Three hundred students at Meridian Community College are surveyed regarding their views on the new cafeteria menus.All of the students at Meridian Community College would be considered the _____ in this study.

A(n) _____ is a graph of a frequency distribution in which the number of scores falling in each class is represented by points on a line.

Dr.Rodriquez discovers that the more education people have, the more money they tend to earn.Dr.Rodriquez has illustrated a(n) _____ correlation.

A researcher studies the effect of a new therapy on a small group of hyperactive children in the hopes of generalizing these findings for use with all hyperactive children.This researcher is using _____ statistics.

Describe a normal curve, and explain the relationship of the standard deviation to this curve.

A(n) _____ is used to graphically visualize a correlation.

After administering a unit test to her psychology students, a college professor calculates the menu and range for this test in order to better understand the performance of her students on the material in this unit.This professor is using _____ statistics.