Mathematics, 22.02.2020 03:06 shawn451
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 agent: 6.2 2.9 4.4 4.1 3.4 5.2 3.27
1. Find the sample mean and sample standard deviation for "Automated Menu"
2. Find the sample mean and sample standard deviation for "Live agent"
3. Find the Coefficient of variation for "Automated Menu" and for "Live agent"
4. Which system has a larger variability between the two.
Answers: 1
Mathematics, 20.06.2019 18:04, datgamer13
Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.
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Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?
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