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

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Nonparametric tests are conducted in SPSS via the NONPARAMETRIC TESTS program.

(True/False)
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As a general rule to follow to determine which of the different measures of location to use,if the variable is measured on a nominal scale,________ is the appropriate measure of central tendency that should be used.

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The two-sample median test is not as powerful as the Mann-Whitney U test.

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________ is a measure of the percentage improvement in predicting the value of the dependent variable,given the value of the independent variable in contingency table analysis.

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The difference between the smallest and the largest values in a distribution is the ________.

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In tests of associations,the null hypothesis is that there is no association between the variables (H0:......is NOT related to.... ).

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When conducting cross-tabulation analysis in practice,if H0 is rejected,the pattern of the relationship should be interpreted by computing an appropriate statistic (phi coefficient,contingency,Cramer's V,lambda coefficient,or other statistics).

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The null hypothesis refers to a specified value of the population parameter,not a sample statistic.

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The ________ is the most appropriate measure of central tendency for interval or ratio data.

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A nonparametric test that analyzes the differences between the paired observations,taking into account the magnitude of the differences is the ________.

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The null hypothesis is always the hypothesis that is tested.

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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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If the calculated value of the test statistic is less than the critical value of the test statistic (TS CR),the null hypothesis is rejected.

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What is the correct expression of the null hypothesis for the alternative hypothesis: the percentage of Internet users who use the Internet for shopping is greater than .40?

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The F test of sample variance may be performed if it is not known whether the two populations have equal variance.In this case the hypotheses are ________.

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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 first step in hypothesis testing is to select an appropriate statistical technique and the corresponding test statistic.

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The mean is sensitive to extremely small or extremely large values (outliers).

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The last step involved in hypothesis testing is ________.

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Which statement is not related to statistics associated with cross-tabulation?

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