Exam 14: Making Use of Associations Tests

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To run chi-square analysis in SPSS,you should go to the Crosstabs command,click Statistics,then select Chi-Square.

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Which of the following refers to the finding that a systematic relationship exists between the two variables of interest in the population?

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The product life cycle curve that describes the sales pattern of a new product over time (growing slowly during its introduction and then spurting upward rapidly during its growth stage and finally plateauing or slowing down considerably as the market becomes saturated)is an example of which type of relationship?

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Which type of relationship is described by the formula: y = a + bx?

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We would use cross-tabulation if we wanted to visualize the nonmonotonic relationship between two nominal scaled variables.

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In chi-square,the null hypothesis states that there is no association.When the "Asymp.Sig." on the SPSS output is low,this means there is low support for the null hypothesis.

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Let's assume we use SPSS to run a correlation analysis,and we get a Pearson correlation coefficient of .941 and a Sig.value of .000.These figures mean:

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A relationship in which the presence (or absence)of one variable is systematically associated with the presence (or absence)of another is:

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Chi-square analysis is a form of a "goodness of fit" test.

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Which of the following were discussed by the authors as being ways that we may characterize relationships?

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If you plotted data between two variables and the points all fell precisely in a straight line that was sloping upward to the right,your correlation coefficient would be equal to +1.0.

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The manager of the city's professional hockey team conducted a large survey.He wanted to know if there was an association between fans being "season ticket holders" versus "non-season ticket holders" and whether they "bought" versus "didn't buy" hockey team merchandise at the game.Because his survey included these measurements,he used SPSS to run a cross-tabulation analysis and selected the chi-square test to test for the significance of any association.The Pearson Chi-Square turned out to be 81.6 with an Asymp.Sig.value of .001.This meant there is a significant relationship.

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The intersection of a row and column in a cross-tabulation table is called:

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To use a correlation,you must first establish that it is statistically significant from 1.

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Frequencies tables,part of cross-tabulation,contain raw data.

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What is used to determine whether a nonmonotonic relationship exists between two nominal-scaled variables?

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The Pearson product moment correlation measures the linear relationship between two interval-scaled and/or ratio-scaled variables.

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When it comes to determining the statistical significance of the correlation coefficient,there are rules of thumb.For example,.81 to 1.00 is considered to be "strong."

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The key to establishing a nonmonotonic relationship between two variables is determining if one is present (or absent)when the other is present (or absent).

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When we present findings on cross-tabulations with chi-square analysis,graphical presentations such as bar or stacked bar charts are often useful.

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