Technology PARKING TICKETS According to data from the city of Toronto, Ontario, Canada, there were more than 200,000 parking infractions in the city for December 2011, with fines totaling over 9,000,000 Canadian dollars. The fines (in Canadian dollars) for a random sample of 100 parking infractions in Toronto, Ontario, Canada, for December 2011 are listed below. (Source City of Toroto) 30 30 30 60 40 30 40 30 40 15 30 30 90 30 30 60 60 30 60 30 100 30 30 60 30 60 60 30 30 30 30 40 105 60 40 15 30 30 30 15 30 60 60 30 40 40 40 60 40 30 30 30 60 30 3060 30 30 30 60 40 40 40 30 100 30 30 30 30 30 40 1530 30 60 30 30 40 30 40 40 60 30 30 30 30 40 40 30 30 30 30 30 30 60 30 30 30 30 30 EXERCISES
In Exercises 1-5, use sechnology. If possible, print your results
1. Find the sample mean of the data
2. Find the sample standard deviation of the data.
3. Find the five-number summary of the data.
4. Make a frequency distribution for the data. Use a class width of 15
5. Draw a histogram for the data. Does the distribution appear to be bell-shaped?
6. What percent of the distribution lies within one standard deviation of the mean? Within two standard deviations of the mean? Within three standard deviations of the mean?