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Question
The random assignment of subjects and treatments to groups is called _____.Answer
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Related questions
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The formula for determining the degrees of freedom for a chi-square test is ______.
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When the data are interval or ratio scaled and the sample size is large, _____ statistical procedures are appropriate.
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The error caused by failing to reject the null hypothesis when, in fact, the alternative hypothesis is true is called a(n) ______ error.
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In hypothesis testing, the values that lie exactly on the boundary of the region of rejection are referred to as the ______ values.
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Analyses that test hypotheses and models involving multiple (three or more) variables or sets of variables are referred to as _____ statistical analyses.
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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
Q:
For which statistical test does the formula given below apply? A.Z-test
B.F-test
C.Chi-square 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
D.real 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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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 _____.
A.a box and whisker plot analysis
B.an index number
C.elaboration analysis
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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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When the data are in ______ form, and the sample size is ______ , the researcher should use parametric statistical procedures.
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