The distribution of differences between means is
A) normally distributed for very large samples.
B) approaches normal as sample sizes increase.
C) may be nonnormal for small samples.
D) all of the above.
Correct Answer:
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A) the
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Q12: We would NOT pool the variances if
A)
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Q15: To go from the equation in the
Q16: The following data are taken from Chapter
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Q18: A weighted average is
A) the average of
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