Diversification ought to be considered when a Select one: a. company's profits are being squeezed and it needs to increase its net profit margins and return on investment. b. company lacks sustainable competitive advantage in its present business. c. company is under pressure to create a more attractive and cost-efficient value chain d. company begins to encounter diminishing growth prospects in its mainstay business. e. company has run out of ways to achieve a distinctive competence in its present 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?