Both in high school and college women, make up approximately_________ percent of athletes
a. 20
b. 30
c. 40
d. 50
c
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More than half of all Americans over the age of 12 will use __________ and/or __________ in their lifetimes.
A) heroin; alcohol B) alcohol; cigarettes C) marijuana; inhalants D) cigarettes; hallucinogens
In comparison to experiments and surveys, field research has:
a. greater reliability and greater validity b. greater reliability and less validity. c. less reliability and greater validity. d. less reliability and less validity. e. the same reliability and validity.
Visual examination of a scatterplot indicates the existence of an association between variables when
a. the distribution of Y changes as X changes b. the regression line is parallel to the horizontal axis c. the regression line is perpendicular to the horizontal axis d. no single regression line can be found
Compared to 2008 Americans are significantly more likely to identify as
a. upper class. b. upper middle class. c. middle class. d. lower or lower middle class.