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# Basic Statistical Analysis

Statistics

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## Quiz 10 : The Hypothesis of Difference

10-20. In order to calculate the estimated standard error of difference, all that need be known is (are)
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D

10-16. When pairs of samples are selected from two separate populations, the mean of the distribution of differences is assumed to be
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A

When the difference between pairs of randomly selected means are obtained, the resulting distribution is called
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B

10-15. Regarding the distribution of differences, the assumption of normality is based on
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The distribution of differences is composed of the differences between
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10-11. The estimated standard error of difference is an estimate of
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10-14. The distribution of differences is
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10-18. In order to ensure a sampling error of zero, each sample must
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When graphing the distribution of differences, the ordinate is used to represent
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10-19. Whenever the distribution of differences is normally shaped, and all its assumptions are met, then
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10-13. When selecting a pair of random-sample means from a single population, the probability of the first mean being higher than the second mean is
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10-10. The estimated standard error of difference may be obtained on the basis of the information contained in
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The estimated standard deviation of the distribution of differences is used to predict the
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10-17. In order to use the estimated standard error of difference for making probability estimates, both samples must
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Whenever the mean of the distribution of differences equals zero, then one can be fairly safe in concluding that
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10-12. The Central Limit theorem states that the distribution of differences is
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