What is the minimum and maximum number of passengers flown


There are a large number of air carriers in the United States. Most people have never heard of many of them.

Use Descriptive Statistics to answer the following questions:

  1. What is the minimum and maximum number of passengers flown by these carriers and which carriers flew the most and fewest passengers?
  2. Are there any outliers in this data set? If you find an outlier, delete it and recalculate the descriptive statistics without the outlier. Explain your actions and thoughts. What effect did this outlier have on the data? a. Hint: Visit www.smokeybayair.com (Links to an external site.).
  3. What is the total number of passengers flown by all of these air carriers?
  4. What is the average (mean) number of passengers flown by these air carriers?
  5. What do the median and mode tell us about this data set and why does it differ so greatly from the mean?
  6. What is the standard deviation and what does that tell you about the data set?
  7. What does the skewness tell you about the shape of the data? Is the data skewed? If so, which direction and why is it skewed?

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