Listed below are amounts (in millions of dollars) collected from parking meters by a security company in a certain city. A larger data set was used to convict 5 members of the company of grand larceny. Find the mean and median for each of the two samples and then compare the two sets of results. Do the limited data listed here show evidence of stealing by the security company's employees? Security Company: 1.4 1.5 1.4 1.5 1.2 1.6 1.3 1.6 1.6 1.7 Other Companies: 1.5 2.1 1.6 1.9 1.6 2.3 2.1 1.9 1.9 1.8 Find the means. The mean for the security company is $ million and the mean for the other companies is $ million. (Type integers or decimals rounded to two decimal places as needed.) Find the medians. The median for the security company is $ million and the median for the other companies is $ million. (Type integers or decimals rounded to two decimal places as needed.)
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Listed below are amounts (in millions of dollars) collected from parking meters by a security service company and other companies during similar time periods. Do the limited data listed here show evidence of stealing by the security service company's employees? Security Service Company: 1.4 1.7 1.5 1.6 1.6 1.3 1.7 1.8 1.3 1.6 Other Companies: 1.6 1.9 1.7 1.7 1.6 1.9 1.8 1.6 1.8 1.6 Find the coefficient of variation for each of the two samples, then compare the variation. The coefficient of variation for the amount collected by the security service company is [ ]%. (Round to one decimal place as needed.) The coefficient of variation for the amount collected by the other companies is [ ]%. (Round to one decimal place as needed.) Do the limited data listed here show evidence of stealing by the security service company's employees? Consider a difference of greater than 1% to be significant. A. No. There is a significant difference in the variation. B. Yes. There is not a significant difference in the variation. C. Yes. There is a significant difference in the variation. D. No. There is a not significant difference in the variation.
David N.
Listed below are amounts (in millions of dollars) collected from parking meters by a security service company and other companies during similar time periods. Do the limited data listed here show evidence of stealing by the security service company's employees? Security Service Company: 1.5 1.7 1.6 1.7 1.6 1.4 1.5 1.6 1.4 1.6 Other Companies: 1.9 1.8 1.6 1.7 1.6 1.8 1.5 1.6 1.7 1.6 Find the coefficient of variation for each of the two samples, then compare the variation. The coefficient of variation for the amount collected by the security service company is (Round to one decimal place as needed.) The coefficient of variation for the amount collected by the other companies is (Round to one decimal place as needed.)
Carolyn B.
Listed below are amounts (in millions of dollars) collected from parking meters by a security service company and other companies during similar time periods. Do the limited data listed here show evidence of stealing by the security company's employees? Find the coefficient of variation for each of the two samples, then compare the variation.
T. L.
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