The standard deviation (s)
A) squares the deviations to eliminate minus values
B) decreases in value as distributions become more heterogeneous
C) does not use all the scores
D) is based on the median rather than the mean
Correct Answer:
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Q9: Changes since 1980 show that Americans are
Q10: Your score on a test is the
Q11: A "good" measure of dispersion should
A) use
Q12: Measures of dispersion indicate the degree to
Q13: One problem with the range (R)as a
Q14: Measures of dispersion provide information about the
A)typical
Q15: If the variance of a distribution is
Q15: If a test score lies at the
Q19: Measures of central tendency (like the mean)and
Q22: The distances between the scores and the
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