An owner of a local office supply store opened 5 years ago is trying to investigate the relationship between the sales of office chairs and desks. The store collected information on the number of chairs and desks sold for the last 7 weeks: # of chairs sold 22 13 16 # of desks sold 17 12 What type of data is the number of chairs sold? What is the mean of the number chairs sold? 20 What is the variance of number chairs sold 17 21 What is the coefficient of variation of the number chairs sold? What is the median of the number desks sold? What is the range of the number desks sold? What is the standard deviation of the number desks sold? 18 19 What is the interquartile range of the number desks sold? What is the covariance between these two variables? How are these two variables related? 12 15 What is the coefficient of correlation between these two variables? 21 22 0