Analyze these data using a control chart that would provide


The manager for a regional taxi service wants to construct a control chart for determining whether the 10-drivers are under control with regard to the number of complaints filed.  Accordingly, he sampled 100 rides from last year for each driver, with the following results:

Driver               Number of Complaints

A                      6

B                      13

C                      17

D                      12

E                      18

F                      7

G                     18

H                     9

I                      14

J                      13

Analyze these data using a control chart that would provide for a 95% confidence interval, identifying the control limits and drivers, if any, that are outside the control limits.

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