Answer the following statement(s) true (T) or false (F)
1. The mean is an example of a measure of dispersion.
2. Frequency distributions describe the range and frequency of a variable’s values.
3. Frequency distributions are readily calculated by statistical software programs.
4. A histogram is similar to a stem-and-leaf plot but differs in that it shows the number of observations in each category.
5. When recoding continuous variables into ordinal-level variables, the width of categories should be equal, unless compelling reasons exist to do otherwise.
1.false
2.true
3.true
4.true
5.true
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A major advantage of the multiple-baseline design over the A-B-A design is that
a. participants do not know that they are being observed. b. the treatment doesn't have to be effective in order to be studied. c. it increases generalization of because it uses more than one participant. d. it can be used when the effects of treatment are not reversible.
Which state has the most school districts?
A. Florida B. New York C. Texas D. Pennsylvania E. California
What does the rational basis test require?
a. Any discrimination policy be “understandable by most citizens.” b. Any discriminatory policy be “rationally related to a legitimate government interest.” c. ?Any discriminatory policy be “acceptable to any rational adult man.” d. ?All rights are “rationed in an equitable manner among citizens.”
Which of the following demonstrated a strength of the Soviet Union’s secret and tightly held foreign policy process?
a. Stalin’s ability to quickly sign the nonaggression pact with Hitler b. Stalin’s Berlin blockade c. Hitler’s attack on the Soviet Union d. The result of negotiations at the Yalta Conference