A survey of local airport authorities asked what percentage of f lights usually arrive “on time.” Use the summary statistics given to answer the following questions.

% on time Count 480 Mean 69 Median 74 StdDev 15 Min 60 Max 88 Range 45 25th %tile 60 75th %tile 75

a) How would you describe this distribution of data?

b) Are there any outliers? Explain.

c) Create a boxplot of these data.