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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
2. The following table represents the U.S. sources of electrical energy:Source Number of plantCoal50Hydropower7Natural Gas18Nuclear20Oil3Renewables2a. Represent the table in a bar chart using frequencies.b. Construct a pie chart using percentages.c. Construct a Pareto chart also showing the cumulative percentage.3. The following data represents the number of days between the receipt of the complaint and the resolution of the complaint:54 4 35 137 31 27 152 2 123 81 74 27 11 19 126 110 110 29 61 35 94 31 26 5 12 4 16532 29 28 29 26 25 1 14 13 13 10 5 27 4 52 30 22 36 26 20 23 33 68a.
2. The following table represents the U.S. sources of electrical energy:Source Number of plantCoal50Hydropower7Natural Gas18Nuclear20Oil3Renewables2a. Represent the table in a bar chart using frequencies.b. Construct a pie chart using percentages.c. Construct a Pareto chart also showing the cumulative percentage.3. The following data represents the number of days between the receipt of the complaint and the resolution of the complaint:54 4 35 137 31 27 152 2 123 81 74 27 11 19 126 110 110 29 61 35 94 31 26 5 12 4 16532 29 28 29 26 25 1 14 13 13 10 5 27 4 52 30 22 36 26 20 23 33 68a. Construct a frequency distribution and a percentage distribution.b. Construct a histogram and a percentage polygon.c. Form a cumulative percentage distribution and plot a cumulative percentage polygon.d. What would you tell the president of company about how long a costumer should expect to wait for the complaint to be resolved?4. The following data was collected on the weight of hammers:234 245 312 457 590 345 820 622 710 189 299 500 478 1000 430 836 439 444a. Compute the mean, median, and mode.b. Compute the range, variance, standard deviation, and coefficient of variation.c. Compute Z-scores. Are there any outliers?d. Describe the shape of the data set.5. Given the following data: 58 63 41 42 29 50 62 43 40 34 70 63 55a. Compute the first quartile, the third quartile, and the interquartile range.b. List the five-number summary.c. Construct a boxplot and describe the shape.6.below is data from a drug cocktail showing the dependence of viscosity on protein concentration.protein concentration(mg/ml)viscosity(cps)251.2507.47512.110020.0a.compute the covariance between protein concentration and viscosity?b.compute the coefficient of correlation between protein concentration and viscosity?7.A survey found that in a sample of 189 large companies,40 offered stock options to their board members as part of their non-cash compensation packages.For small-to-midsized companies,43 of 180 surveyed...
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