How do I Compute the mean (in $), variance, and standard deviation (in $) for these annual sales values?

3- [-l0.72 Points] DETAILS ASWSBE14 3.E.028. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Varatta Enterprises sells industrial plumbing valves. The following table lists the annual sales amounts for every salesperson in the organization for the most recent fiscal year. Salesperson Sales Amount ($1000) Salesperson Sales Amount ($1000) (a) Compute the mean (in $), variance, and standard deviation (in $) for these annual sales values. (Round your answers to the nearest whole number. as : standard deviation $ :| (b) In the previous fiscal year, the average annual sales amount was $300,000 with a standard deviation of $95,000. Discuss any differences you observe between the annual sales amount in the most recent and previous fiscal years. The mean sales amount has Select v from the previous to most recent fiscal year. The amount of change is Select-v compared to the standard deviation in either fiscal year. Therefore, there is a strong likelihood that l -Select- Vi Need Help