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Question
A carefully controlled study in which the researcher manipulates a proposed cause and observes any corresponding change in the proposed effect is called a(n) _____.Answer
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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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All of the following are software packages that can be used for data analysis EXCEPT _____.
A.Excel
B.SPSS
C.Word
D.SAS
Q:
Scores or observations recalibrated to indicate how they relate to a base number are referred to as _____.
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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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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Breaking down the answer to the question: "Have you ever purchased a ticket online for an American Airlines flight?" into subgroups based on gender and zip code is an example of _____.
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B.an index number
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The _____ is the number of respondents or observations used as a basis for computing percentages.
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When tabulation is done by hand to create a frequency table, this is called ______ the data.
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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
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