Business Statistics and Analytics in Practice 9th Edition Bowerman Test Bank

4.4

ss divided by the total number of measurements. ⊚ true ⊚ false 3) A bar chart is a graphic that can be used to depict qualitative data. ⊚ true ⊚ false 4) Stem-a...

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ss divided by the total number of measurements. ⊚ true ⊚ false 3) A bar chart is a graphic that can be used to depict qualitative data. ⊚ true ⊚ false 4) Stem-and-leaf displays and dot plots are useful for detecting outliers. ⊚ true ⊚ false 5) A scatter plot can be used to identify outliers. ⊚ true ⊚ false 6) When looking at the shape of the distribution using a histogram, a distribution is skewed to the right when the left tail is shorter than the right tail. ⊚ true ⊚ false 7) When we wish to summarize the proportion (or fraction) of items in a class, we use the frequency distribution for each class. ⊚ true ⊚ false 8) When establishing the classes for a frequency distribution, it is generally agreed that the more classes you use the better your frequency distribution will be. ⊚ true ⊚ false 9) The cumulative frequency for a class will always be at least as large as the cumulative frequency for any class with a smaller upper boundary. ⊚ true ⊚ false 10) A frequency table includes row and column percentages. ⊚ true ⊚ false 11) When constructing a graphical display that utilizes categorical data, classes that have frequencies of 5 percent or less are usually combined together into a single category. ⊚ true ⊚ false 12) In a Pareto chart, the bar for the

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