show work thoroughly and clearly

3. Small boxes of Caesar salad croutons are labeled "net weight 3.5 ounces." To construct control charts, random samples of 4 boxes were weighed. Five hours of observation yielded: [10 Points] a. Calculate the upper and lower control limits for the chart? Draw the control chart. b. Calculate the upper and lower limits for the Range chart? Draw the control chart. c. Is this process in control? Explain-a simple yes or no answer is insufficient. d. What type of variation is present in each control chart