Exam 10: Data Collection and Basic Descriptive Statistics

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Good question design and adequate pretesting are just a few ways to reduce _____________ errors.

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C

A tabulation of the number of times that each different value appears in a particular set of values is called the range.

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False

What are the forms of data analyses that may be used if the research objective were relationships?

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B

Nonsampling error is defined as all errors in a survey except those attributable to the sample size.

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Which term refers to any statistical measure used that somehow reflects a typical or frequent response?

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Summarizing categorical variables with XL Data Analyst requires you to select "Summarize," "Percents," and then select the variable and click "OK."

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Which of the following would NOT be a part of a completed data worksheet in XL Data Analyst?

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Multiple submissions is the only data collection error that is not unique to online surveys.

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Requesting an email address as part of the submission process for an online survey will help reduce what type of error?

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Which of the following is the term used to refer to the creation of a computer file that holds the raw data taken from all of the completed questionnaires?

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Hiring a reputable data collection company that has excellent training, good supervision, and built-in validation techniques is a good way to reduce what type of error?

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When the concern around multiple submissions and bogus respondents and responses is high, researchers turn to using:

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It is best to use the same code for missing data on completed questionnaires.

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An item omission refers to the failure to include an important question on a survey questionnaire which may seriously threaten the achievement of the research objectives.

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Given a string of numbers, the number that appears most often is the mean.

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If we take the square root of, the summated squared differences between each observation and the mean divided by the number of observations less one, we have the standard deviation.

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The percentage distribution is much more intuitive than the other forms of central tendency.

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The statistical software that is used with your textbook is called:

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The ________ identifies the distance between the lowest value (minimum) and the highest value (maximum) in an ordered set of values.

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Refusal to participate may be due to something as simple as the potential respondent is too busy.

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