Chapter 1: Displaying The Order In A Group Of Numbers Using Tables And Graphs Question Preview (ID: 58761)
Based On Statistics For Psychology Assigned Textbook And Lectures.
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Students who have read the first chapter of the textbook and theorize that performance on statistics exams will be related to the number of hours spent studying statistics know that to test their theory, they will need to use
a) common sense.
b) reasoning by analogy.
c) inferential statistics.
d) intuition.
If a psychologist studying aggressive tendencies in people develops an inventory to measure aggression, the psychologist is using scores on the inventory as a(n)
a) abstract concept.
b) variable.
c) descriptive statistic.
d) invariable construct.
If a difference between scores of 3 and 4 is the same as a difference between scores of 15 and 16, the variable being measured is
a) equal-interval.
b) differential.
c) non-differential.
d) rank-order.
The number of problems correct on a test is an example of a
a) continuous variable.
b) discrete variable.
c) log-linear variable.
d) quadratic variable.
Another label for rank-order is
a) categorical.
b) ratio.
c) ordinal.
d) continuous.
Which of the following student characteristics is an example of a nominal variable?
a) grade point average (3.2, 2.5, etc.)
b) number of friends (0, 1, etc.)
c) birth position in the family (first, second, etc.)
d) nationality (U.S., Japanese, etc.)
A frequency table lists
a) the times per second variations occur in various wave bands.
b) the number of scores at each value.
c) the intensity of a variable over all the participants studied.
d) the average value of each variable.
Consider the scores 2, 9, 7, 6, 1, 9, 1, and 2. Which of the following would be the correct bottom line of a frequency table?
a) 1 2 25%
b) 9 2 25%
c) 6 1 12.5%
d) 0 4 50%
A histogram looks most like
a) a city skyline.
b) a large wave.
c) a silhouette of mountains.
d) a pattern of iron filings.
27) Psychologists use frequency tables and histograms to show
a) the relation between two variables.
b) the reasoning behind experiments.
c) the hypotheses they plan to test.
d) the way numbers they collect are distributed.
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