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PSYC 2111 Exam 2| Questions solved 100% Correct/Verified Solutions
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PSYC 2111 Exam 2| Questions solved100% Correct/Verified Solutions
Which of the following is most likely to be measured categorically? - ANSWER species of
dogs appearing in the Sunday comics
Which of the following is least likely to be an example of an independent variable? - ANSWER
Test score
Which of the following is NOT a joint probability? - ANSWER the probability that you live near
the ocean and that you enjoy sailing
The major difference between an interval and a ratio scale is that - ANSWER with a ratio scale
you can speak meaningfully about a score of 0.
If you are interested in identifying children who are highly aggressive, and you have a normally
distributed scale that will do so, you will be particularly interested in - ANSWER scores on that
scale that are substantially above the mean.
Which of the following is false? - ANSWER
For the set of numbers 1, 17, 19, 30, 87, X5 refers to - ANSWER 87
Which of the following is not a descriptive statistic? - ANSWER T-statistic
, Data points at the extremes of the distribution have - ANSWER more effect on the variance
than scores at the center of the distribution.
Use of a sample not randomly selected in an experiment - ANSWER limits the degree to
which the results can be generalized to the whole population.
If you want to study the effect of hormonal changes in adolescent boys, your population would
be - ANSWER all adolescent males.
One of the most important skills that students learn in statistics courses is - ANSWER the ability
to logically interpret data
An example of a statistical inference is - ANSWER generalizing data from a sample of girls to a
population of girls.
The mean number of arrests for those who rarely attended high school would be -
ANSWER Statistic
Which of the following do NOT go together? - ANSWER quantitative data, frequency data
If we are comparing the adrenaline scores of children who live near an airport with those who
live away from an airport, the dependent variable is - ANSWER Adrenaline
Which of the following is most certainly an ordinal scale? - ANSWER Mailbox numbers
If a happiness scale had a true zero point, a score of zero would mean - ANSWER an absence of
happiness.
What does NOT count as "measurement?" - ANSWER These are all examples of measurement
Assessment of behavior with only a weakly valid instrument
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