Calculator Which of the following sources of quantitative standards should be used with caution because it can perpetuate inefficiencies? a. Input from operating personnel b. Historical experience c. Statistical methods d. Engineering studies e. None of these choices are correct.

Select the correct answer from each drop-down menu. james needs to clock a minimum of 9 hours per day at work. the data set records his daily work hours, which vary between 9 hours and 12 hours, for a certain number of days. {9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}. the median number of hours james worked is . the skew of the distribution is