Green goddess lawncare, inc., has enjoyed growing profits for 10 years. when new-product development made it feasible for underground sprinkling systems to be installed at a reasonable price, business soared. recently, through the owner of green goddess learned about a seed that only needs to be watered two times each year. this innovation could have serious consequences on healthy revenues and profits. the owner is analyzing the environment in order to remain knowledgeable about new trends that may affect his business.

The wall street journal reported that walmart stores inc. is planning to lay off 2,300 employees at its sam's club warehouse unit. approximately half of the layoffs will be hourly employees (the wall street journal, january 25-26, 2014). suppose the following data represent the percentage of hourly employees laid off for 15 sam's club stores. 55 56 44 43 44 56 60 62 57 45 36 38 50 69 65 (a) compute the mean and median percentage of hourly employees being laid off at these stores. (b) compute the first and third quartiles. (c) compute the range and interquartile range. (d) compute the variance and standard deviation. (e) do the data contain any outliers? (f) based on the sample data, does it appear that walmart is meeting its goal for reducing the number of hourly employees?