What can be recommend to reduce the customer waiting time during the peak hours at the canteen.

Suppose in a school canteen, we observe many processes that the canteen staff perform while serving us as their customer.

(a) What could be the two process which plays an important role. Indicate how Control charts can be used to monitor these two processes that was selected. So then how does control charts link to the definition of quality at the canteen?

(b) Using the results of the control charts, what can be recommend for improving the customer experience at the canteen?

(c) What can be recommend to reduce the customer waiting time during the peak hours at the canteen.