Complete the following questions using this document and Excel to show your work. 1. Based on Ch. 1 of the course text, what are the differences between statistics as numerical facts and statistics as a discipline or field of study? 2. Consider the following frequency distribution. Clas s 10- 19 20- 29 30- 39 40- 49 50- 59 Frequ ency 10 14 17 7 2 Complete the following in Excel: Construct a cumulative frequency distribution and a cumulative relative frequency distribution. Construct a histogram for the data in exercise. 3. The average number of times Americans dine out in a week fell from 4.0 in 2008 to 3.8 in 2012 (Zagat.com, April 1, 2012). The number of times a sample of 20 families dined out last week provides the following data: 6 1 1 2 5 4 3 1 7 0 3 5 0 6 3 3 1 1 3 4 Do the following in Excel: a. b. c. d. e. f. Compute the mean and median. Compute the first and third quartiles. Compute the range and interquartile range. Compute the variance and standard deviation. The skewness measure for these data is 0.34. Comment on the shape of this distribution. Is it the shape you would expect? Why or why not? Do the data contain outliers