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QNT 275 STUDY Your Future Our Mission--qnt275study.com QNT 275 Week 2 Apply: Connect Week 2 Case FOR MORE CLASSES VISIT www.qnt275study.com QNT 275 Week 2 Apply: Connect Week 2 Case Part 1 You manage the inventory for a car dealership. Your management would like you to review current inventory on the dealership lot. Review the Week 2 Data Set. Create and calculate the following in Excel®: Create a Pie Chart which summarizes colors of the cars in the sample. Create a Bar Chart which summarizes the frequency of the models of the cars in the sample.
QNT 275 STUDY Your Future Our Mission--qnt275study.com QNT 275 Week 2 Homework Problem Set Excel File FOR MORE CLASSES VISIT www.qnt275study.com 1. In a hearing test, subjects estimate the loudness (in decibels) of a sound, and the results are: 69, 67, 71, 72, 65, 75, 68, 68, 83, 73, 68. Calculate the measures of central tendency (Mean, median, mode) and the measures of dispersion (range, standard deviation, variance).
QNT 275 STUDY Your Future Our Mission--qnt275study.com QNT 275 Week 3 Homework Problem Set Excel File FOR MORE CLASSES VISIT www.qnt275study.com 1. A survey is made in a neighborhood of 90 voters. 75 are Democrats and 15 are Republicans. Of the Democrats, 30 are women, while 7 of the Republicans are women. If one subject from the group is randomly selected, find the probability the individual is a male Republican. 2. Container 1 has 8 items, 3 of which are defective. Container 2 has 5 items, 3 of which are defective. If one item is drawn from each container, what is the probability that only one of the items is defective?
QNT 275 STUDY Your Future Our Mission--qnt275study.com QNT 275 Week 4 Homework Problem Set Excel File FOR MORE CLASSES VISIT www.qnt275study.com 1. A sample of 100 items has a population standard deviation of 5.9 and a mean of 32. Construct a 95 percent confidence interval for μ. 2. At the end of 1990, 1991, and 1992, the average prices of a share of stock in a portfolio were $34.75, $34.65, and $31.25 respectively. To investigate the average share price at the end of 1993, a random sample of 75 stocks was drawn and their closing prices on the last trading day of 1993 were observed with a mean of 33.78 and a standard deviation of 14.25.