The chi-square distribution is
a. a sampling distribution.
b. the distribution against which we evaluate chi-square values.
c. a distribution whose shape varies with the number of degrees of freedom.
d. all of the above
D
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If Zade is shy when he is 2 years old, he is more likely to be ____ when he is 4 years old.
a. shy b. argumentative c. highly sociable d. happy
Knowing that data are normally distributed allows me to
a. calculate the probability of obtaining a score greater than some specified value. b. calculate the probability of obtaining a score of exactly 1. c. calculate what range of values are unlikely to occur by chance. d. both a and c
Barbara's culture dictates that men work to make money, while women do not. As such, Barbara did not go to college, though both of her brothers did. Which system is influencing this aspect of Barbara's development?
a. biological b. psychological c. societal d. physiological
DNA takes the form of:
a. a twisting ladder. c. an octagon. b. a straight ladder. d. interlocking circles.