Data_Set_Lab

Data_Set_Lab - Lab INEN 314 Exercise: 4 Descriptive...

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INEN 314 Lab Exercise: 4 Descriptive Statistics Assigned:Feb15 and Feb 17, 2009 Due: Monday Section – Monday, Feb 22, 2009 Wednesday Section – Wednesday, Feb 24, 2009 The following table contains observed data for service times at a local hamburger place. These times include placing an order, paying and then getting a hamburger. 0.02 4.04 0.37 4.85 8.22 3.14 2.19 1.39 4.85 2.66 2.39 1.04 1.95 1.65 5.02 4.75 0.99 4.06 3.27 2.13 1.52 3.04 16.44 2.83 5.03 2.66 2.54 3.67 3.45 6.71 4.45 11.51 2.14 1.58 5.49 1.85 1.92 3.78 2.57 7.23 3.19 0.71 0.83 2.28 7.66 1.99 3.73 6.88 3.46 4.39 2.50 6.03 10.29 3.07 7.12 3.26 4.39 3.34 3.41 4.73 7.98 0.94 8.52 7.78 3.79 1.16 5.00 0.86 7.02 4.95 2.66 6.03 4.21 4.19 5.08 3.29 3.57 3.37 2.80 2.82 1.03 5.16 3.35 5.83 5.97 4.56 4.05 5.79 2.34 0.72 2.10 7.15 6.64 1.36 10.79 0.89 2.82 5.08 2.12 0.51 3.23 3.43 3.47 2.07 2.93 4.46 2.08 4.33 3.09 0.84 5.12 6.36 1.15 1.0 Calculate the Mean, Variance and Standard Deviation of this data by hand. For the variance, use both (a) Second Moment about the origin method (2) the “shortcut” method
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Data_Set_Lab - Lab INEN 314 Exercise: 4 Descriptive...

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