The CEO of a local supermarket in Hong Kong isinterested in knowing the customer satisfaction level across three regions (HK, KL, NT) in Hong Kong in September 2018. A total of 24 shops were randomly selected from the total 300 shops in Hong Kong in September. Eight branch managers are responsible for one shop from each of the three regions.

Region~ Satisfaction~ Region #~ Satisfaction Region~ Satisfaction~ Region Satisfaction HK (Manager 1) (Manager 2)~ 60~ HK HK (Manager 3) (Manager 4) HK HK HK (Manager 5)~ (Manager 6)* 85- HK (Manager 7) (Manager 8) 65+ KL - 60~ KL - KL + (Manager 1)~ (Manager 2)- KL + (Manager 3) 80~ (Manager 4) 55+ KL + 60~ KL - KL + (Manager 5)~ KL - (Manager 6)~ (Manager 7) (Manager 8) 70- NT - NT - 70~ NT - (Manager 1)~ 90~ (Manager 2)- (Manager 3) 70+ NT - (Manager 4) 85+ NT + (Manager 5)~ 60- NT - 80~ NT + (Manager 6) NT - (Manager 7) (Manager 8) 100