The following data provide the number of times for 30 customers who ate at Cafe D the past year. [10,9,6,7,15,7,5,14,16,11,15,10,12,8,14,8,9,11,15,13,14,7,9,10,12,7,12,14,8,13] Use 4 as your number of classes. Begin your class interval with 5.

1. Construct a frequency distribution, relative frequency and percent frequency for the data.

2. Construct a cumulative frequency distribution, cumulative relative frequency and cumulative percent frequency for the data.

3. What is the mean?

4.What is the median?

5. What is the mode?

6. What is the variance?

7. What is the standard deviation?

8. What is the coefficient of variation?

9. What is the range?

10. What is the 65th percentile?

11. What is the interquartile range?

12. Insert at least one appropriate chart.

13. State your over-all analysis.