Chamberlain University x Week 3: Mystatlab Quiz Take a Test Lynnette He x Secure

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Chamberlain University x Week 3: Mystatlab Quiz Take a Test Lynnette He x Secure https w nw.mathxl.com Student Player est asp ?canvas assignment point, possible-6 &ext; outcomes too placement url http %33%2 %2fdevry sti cure Applied Managerial Statistics Quiz: Week 3 Quiz Time Remainir This Question: 8 pts | 14 of 14 (12 complete) The numbers of regular season wins for 10 football teams in a given season are given below Determine the range, mean, variance, and standard deviation of the population data set 2, 7, 15, 3, 15, 10, 13, 9, 26 The range is 13 (Simplify your answer.) The population mean is 8.2 Simplify your answer. Round to the nearest tenth as needed) The population variance is (Simplify your answer. Round to the nearest hundredth as needed) The population standard deviation is (Simplify your answer Round to the nearest tenth as needed.)

Explanation / Answer

a) Range = max - min = 15 - 2 = 13

b) Mean = sum of obs/no of obs = 8.2

c) Variance  

Variance = Sum (X-mean)^2 / N-1

= 104.47

d) Stand Dev = Sqrt (Variance)

= 10.22

Wins X-mean (X-mean)^2 2 -6.2 38.44 2 -2.79166 7.79336232 3 3 9 6 6 36 7 7 49 9 9 81 10 10 100 13 13 169 15 15 225 15 15 225 940.233362

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