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Question
When the people who answer a mail survey are different in important ways (e.g. income level) from the people who did not answer the survey, the survey is said to have ______ error.Answer
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Related questions
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Which of the following tests is conceptually similar to the one used when the mean is the characteristic of interest but that differs in the mathematical formulation of the standard error of the proportion?
A.hypothesis test of a proportion
B.c2 test
C.goodness of fit test
D.degrees of freedom test
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For which statistical test does the formula given below apply? A.Z-test
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A.Excel
B.SPSS
C.Word
D.SAS
Q:
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A.index numbers
B.rank orders
C.elaborated numbers
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Data with which type of distribution are appropriate for division based on the median split?
A.normally distributed
B.unimodal distribution
C.bimodal distribution
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Q:
When a researcher combines the "Strongly Disagree" and "Disagree" responses on a Likert scale item to a single "Strongly Disagree/Disagree" percentage, this is an example of _____.
A.data indexing
B.collapsing the data
C.the outlier effect
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A.nominal; large
B.ordinal; large
C.interval; large
D.nominal; small
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The two types of errors researcher run the risk of committing when sampling are _____.
A.primary and secondary errors
B.Type I and Type II errors
C.critical and noncritical errors
D.Type A and Type B errors