Mathematics, 17.02.2020 16:32 comeonmanim

The customer service department of a phone company is experimenting with two different systems. On Monday they try the first system which is based on an automated menu system. On Tuesday they try the second system in which each caller is immediately connected with a live agent. A quality control manager selects a sample of seven calls each day. He records the time for each customer to have his or her question answered. The times (in minutes) are listed below. Automated Menu: 11.7, 7.4, 3.9, 2.9, 9.2, 6.3, 5.5 Live call center agent: 6.2, 2.9, 4.4, 4.1, 3.4, 5.2, 3.7 Compare the variation of these two sets of data.

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The customer service department of a phone company is experimenting with two different systems. On M...