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Using a spreadsheet and the line graph shown, what are the mean, median, and mode of the data presented in the line graph?
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Using a spreadsheet, you can find the mean, median, and mode of the data in the line graph.
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Using a spreadsheet and the line graph shown, which measure of central tendency best describes the average of the data? Explain your reasoning.
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Which two data values in the line graph are outliers?
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From the graph, you can see that the values of 9.3% in 2009 and 9.6% in 2010 are outliers because they are significantly greater than the other values in the graph.
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Using a spreadsheet and the line graph shown, do the outliers have a greater effect on the mean or the median? Explain your reasoning.
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Use the box-and-whisker plot to analyze the unemployment rates.
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Here are some observations you can make about the historical unemployment rates.
- About 25% of the data is between 4.0% and 4.7%.
- About 25% of the data is between 4.7% and 5.6%.
- About 25% of the data is between 5.6% and 6.3%.
- About 25% of the data is between 6.3% and 9.6%.
- The highest 25% of the data has the greatest range. The other 3 quarters have similar ranges.
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Explain whether the following statement is supported by the histogram: "The unemployment rate during most years is between 4.0% and 7.0%."
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