Answer the following statement(s) true (T) or false (F)
Parametric statistics are also called distribution free statistics because they are computed when data are not normally distributed.
Ans: T
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Approximately __________ percent of children under the age of 3 are not fully vaccinated in the United States.
A. 10 B. 20 C. 50 D. 80
A correlation coefficient of +1.00 indicates _____, and a correlation coefficient of –1.00 indicates _____
a. a perfect relationship; a perfect relationship b. a perfect relationship; no relationship c. a straight linear relationship; a curvilinear relationship d. a curvilinear relationship; a straight linear relationship
Why do we have (1–?)100% confidence in the interval the interval (m_1-m_2 )±t_(?/2) (s_(m_1-m_2 ))?
a. Because (1–?)100% of all such intervals will capture (m_1-m_2 ). b. Because (1–?)100% of all such intervals will capture (?_1-?_2 ). c. Because (1–?)100% of all values of (m_1-m_2 ) will fall in the interval. d. Because the probability is (1–?) that (?_1-?_2 ) is in the interval.
Which area of psychological research is most likely to study behaviors such as courting,
mating, and parenting? a. Cognitive psychology b. Personality psychology c. Comparative psychology d. Clinical psychology e. Developmental psychology