Question

Driving under the influence of alcohol (DUI) is a serious offense. The following data give the...

Driving under the influence of alcohol (DUI) is a serious offense. The following data give the ages of random sample of 50 Drivers arrested while driving under the influence of alcohol. Using the listed ages; find 16 18 20 21 21 22 22 22 23 24 24 25 26 26 26 27 27 27 29 30 30 31 31 32 33 34 34 35 35 36 37 38 39 40 40 41 43 45 46 47 47 49 49 51 53 55 56 58 63 64

  1. Is this a sample or a population? _____________________________
  2. Mean_____________________________
  3. Median_____________________________
  4. Mode_____________________________
  5. Standard Deviation_____________________________
  6. Variance_____________________________
  7. Find the 47th percentile_____________________________
  8. Construct a box-and-whiskers plot and identify the values constituting the Five-Number summary. Interpret the shape of the plot.
  9. Find the IQR and outlier limits and use them to determine if a driver who is 73 years old is an Outlier value with respect with the data.

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