Environmental triggers for allergies include very cold air
a. True
b. False
Indicate whether the statement is true or false
True
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To look at variability in a group, a researcher with interval level data would use
a. quartile deviation . b. range. c. standard deviation. d. standard score.
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Researchers study ______ in order to obtain opinions and identities.
a. statistics b. census data c. populations d. animal behavior
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If a distribution has a mean of 50 and a standard deviation of 25, how many standard deviations is 0 from the mean?
a. 2 b. ?2 c. 0 d. 5
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How would you represent the predicted score of Y based on a known value of X?
a. y b. y-intercept c. Y^' d. Y = Xa
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