Reference no: EM1390377

Please read the following situation and provide a solution. Please post the solution in a Microsoft Word format.

A Starbucks manager decides to study waiting times of customers for service at the lunch time rush hour 1100-1200. He observes three customers to measure the time the customer enters the line to the time he or she reaches the counter. The following the information recorded over six days.

Time in Minutes

Day Customer #1 Customer #2 Customer #3

1 3.2 4.4 5.9

2 3.6 5.7 4.3

3 1.5 2.3 3.2

4 1.4 2.0 3.4

5 9.7 4.6 4.8

6 5.3 6.9 3.1

Please draw the X-bar Chart and R-chart. Explain the results.