At a local dollar store, a manager asked some of its customers to fill out a sur

Question

At a local dollar store, a manager asked some of its customers to fill out a survey in order to see how it was doing in terms of Customer Service. The survey asked customers to put 5 for “Excellent”, 4 for “Decent,” 3 for “OK,” 2 for “Bad,” or 1 for “Terrible.” At the end of the first month, the manager wanted to compute their average customer service score but he found out that in 5 out of 135 responses he got, the customers didn’t fill out the customer service sections.

a) Describe 2 ways that the manager can cope with this situation.

b) After dealing with the missing data, the manager calculated the average and got a result of 4.3. Determine if this average score, statistically speaking, reflect customer service at this store.

Explanation / Answer

Describe 2 ways that the manager can cope with this situation.

1st way : The manager can assume a min 1 for those 5 customers and calculate the average customer service for 135 customers

2nd way: the manager can remove those 5 customers and compute monthly average customer service for 130 customers.

After dealing with the missing data, the manager calculated the average and got a result of 4.3. Determine if this average score, statistically speaking, reflect customer service at this store.

yes, it reflects the customer service. Since it is 4.3.. means on an average it is above decent. for 135 customers.

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