Exercises-Measures of Variation.docx - STATISITCS FOR...

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STATISITCS FOR TECHNOLOGY 1 EXERCISES: Measures of Variation Name: Note: Any submitted file copy pasted from your classmate (files with different names but completely similar document) will have no credits. 1. Times Spent in Rush-Hour Traffic A sample of 12 drivers shows the time that they spent (in minutes) stopped in rush-hour traffic on a specific snowy day last winter. Find the range, variance, and standard deviation for the data. 52 56 61 49 53 58 53 60 71 2. The three data sets have the same mean and range, but is the variation the same? Prove your 53 51 58

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