Exam 9: Transforming Data Into Evidence

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Which of the following categories of data can be displayed by a pie chart?

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A

Explain how a continuous distribution differs from a discrete distribution.

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In a discrete distribution,the observations are countable,and there is a discrete "jump" between successive values.It is not necessary that the values be stated in whole numbers.Since money is measured to the cent,it is considered a discrete variable.In contrast,values in a continuous distribution can be measured to an infinitesimally small degree of accuracy.In other words,the values are continuous-there is no discrete jump.Examples of continuous variables include time,weight,and distance.Both discrete and continuous distributions can be graphed as histograms.The difference is that,with a continuous distribution,the measurement scale can be refined.

Which of the following ratios is known as the relative size factor?

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Which of the following is a disadvantage of basic data analysis programs?

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Which of the following is true of Microsoft Access?

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Which of the following does the ratio of the smallest value to the second-smallest value identify?

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A graph should always have a title.

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A larger ratio of the largest value to the smallest value indicates

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It is more difficult to identify significant deviations from Benford's profile in small data sets.

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Which of the following is a basic data analysis program?

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Which of the following is a feature of a normal distribution?

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What are the different data analysis tests which use Benford's Law to identify irregularities in data sets?

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Which of the following is true of Excel?

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Decreasing the occurrence of Type I errors increases the occurrence of Type II errors.

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Which of the following is true of presenting data in a graph?

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Which of the following statements is true of the measures of variability?

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A positive skewness is when the distribution is more heavily weighted toward smaller numbers.

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Which of the following describes the descriptive measure "median"?

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What are add-ins? What are the common add-ins that can be used with Excel?

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What does a positively skewed distribution mean?

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