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Information on differences between respondents and nonrespondents may be obtained from the sample itself,or it may be possible to estimate the differences from other sources.
Q5: Which of the following is true of
Q13: The alternative hypothesis: the percentage of Internet
Q18: Dummy variables are used to respecify categorical
Q22: Which SPSS data entry product allows you
Q25: Explain SS<sub>between</sub>, SS<sub>within</sub>, and SS<sub>y</sub> and their
Q48: The data-preparation process is guided by the
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Q71: When using the confidence interval approach to
Q89: When determining the number of scale categories
Q112: Respondents for the pretest and for the