Exam 14: Data Preparation

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Statistical techniques can be classified as univariate or multivariate.

(True/False)
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Data cleaning includes consistency checks and treatment of missing responses.The checks at this stage are less extensive than the checks made during editing.

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Missing responses represent values of a variable that are unknown,either because respondents provided ambiguous answers or their answers were not properly recorded.

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When using univariate techniques,the number of samples is determined based on how the data are treated for the purpose of analysis,not based on how the data were collected.

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Scanning of questionnaires has allowed Princess Cruises to increase the accuracy of their survey results.

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If in conducting a study to determine what modifications should be made on an existing product the researcher assigns weights of 4.0 to heavy users,3.0 to medium users,2.0 to light users,and 1.0 to nonusers.Which group's opinion has greater importance?

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________ are appropriate when one or more variables can be identified as dependent variables and the remaining are independent variables.

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Metric data are measured on a nominal or ordinal scale.

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Consider the example of a respondent who indicates an extremely favorable attitude toward spectator sports on all of the positively worded statements in a survey and an extremely negative attitude on statements that were reversed.Decisions whether such respondents should be discarded,that is,not included in the analysis,can raise ethical concerns.A good rule of thumb is to make such decisions during the data-preparation phase before conducting the analysis.

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Which statement is true concerning ethical issues concerned with data preparation?

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Ethical issues that arise during the data preparation and analysis step of marketing research process pertain mainly to the researcher.

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The objective of Pancultural analysis is to assess the comparability of findings from one country to another.

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You would use scale transformation under which circumstance?

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Give a brief overview of the data-preparation process.

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________ requires that the data from each respondent be analyzed separately.

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Computer packages like SPSS,SAS,EXCEL,and MINITAB can be programmed to identify out-of-range values for each variable and print related code information to make it easy to check each variable systematically for out-of-range values.

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In ________,also known as across-countries analysis,the data of all the respondents can be pooled and analyzed.

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Standardized zi scores can be obtained as:zi=(X- xˉ,\bar { x } , )\s

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At the editing stage,the researcher makes a preliminary check for consistency.

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________ is within-country analysis of international data.

(Multiple Choice)
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