Topic: Construct an x-chart to be used in conjunction with an R-chart

Valtec Electronics fills orders for its electronic components and parts by truck to customers through several distribution centers. A measure of its supply chain responsiveness is order fulfillment lead time, which is the number of days from when a company receives an order to when it is delivered to the customer. A distribution center manager has taken 20 samples of 5 orders each during the month and recorded the lead time for each as follows: a. Construct an x-chart to be used in conjunction with an K-chart using 3 limits for this data and indicate if the process is in control. (15 points) b. Please make recommendations about further actions based on results. (10 points)