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Fruities & Veggies Market wants to monitor customer complaints, in order to improve customer satisfaction. The quality specialist collected the following data:
Type of Problem
|
Frequency
|
A: Wrong label on product
|
21
|
B: Product past its expiry date
|
9
|
C: Opening hours inconvenient
|
5
|
D: Unfriendly teller service
|
31
|
E: Vegetables frequently out of stock
|
14
|
Which of these type of problems need to be focused on according to a pareto chart?