When the standard deviation of the Y distribution equals zero, then
a. the slope of the regression line of Y on X equals zero
b. the mean of X equals zero
c. the mean of Y equals zero
d. none of these
a
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Restricting the range of either X or Y will generally lower the correlation between the variables
Indicate whether the statement is true or false
According to the article A Family Affair about working mothers, about what percent of women who have infants under one-year-old are working?
(a) 25 (b) 55 (c) 75 (d) 95
A person usually becomes car sick or sea sick because
a. he or she has an upset stomach due to food poisoning. b. there are conflicting signals from the visual, kinesthetic, and vestibular systems. c. of the repetitive motion. d. he or she has a different perception of speed than one who does not become sick.
Wisneski, Lytle, and Skitka (2009) correlated measured religiosity and measured moral conviction with measured trust in authority. The researchers found that highly relious people showed _____ trust in authority whereas the highly moral people showed ____ trust in authoiry
a. less; more b. more; less c. more variable; less variable d. less variable; more variable