Exam 15: Frequency Distribution, Cross-Tabulation, and Hypothesis Testing

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Mean, median, variance, standard deviation, minimum, maximum, and range are some of the statistics that can be calculated via ________, ________, and ________ in SPSS.

(Multiple Choice)
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A statistic that indicates the distribution's dispersion is a ________.

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The valid percentage column in a frequency distribution represents percentages calculated by excluding the cases with missing values.

(True/False)
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The two-sample median test examines whether the two distributions are the same.

(True/False)
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The ________ can be used to assess the strength of association in a table of any size.

(Multiple Choice)
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In cross-tabs, the introduction of a third variable can ________.

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The most commonly used statistics associated with frequencies are measures of location, measures of variability, and measures of occasion.

(True/False)
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If the population standard deviation was assumed to be known, rather than estimated from the sample, a ________ would be appropriate rather than a ________.

(Multiple Choice)
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The test statistic used in the Wilcoxon matched-pairs signed-ranks test is ________.

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The runs test tests the goodness of fit of the observed number of observations in each category to the number expected under specified binomial distribution.

(True/False)
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The square root of the variance is the ________.

(Multiple Choice)
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________ is a test statistic that measures the association between two ordinal-level variables. It does not make an adjustment for ties.

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Which of the following statements is true concerning cross-tabulations with two variables?

(Multiple Choice)
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A frequency distribution helps ________.

(Multiple Choice)
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Which statement is not correct about cross-tabulations?

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Which of the research questions/hypotheses below is best answered using cross-tabulations?

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An asymmetrical lambda value of 1 happens when each independent variable category is associated with a single category of the dependent variable.

(True/False)
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________ are hypothesis testing procedures that assume that the variables are measured on a nominal or ordinal scale.

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The ________ is the probability of rejecting the null hypothesis when it is in fact false, and should be rejected.

(Multiple Choice)
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Nonparametric tests are conducted in SPSS via the NONPARAMETRIC TESTS program.

(True/False)
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