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: 1.7 1.3 1.7 1.3 1.4 1.8 1.1 1.8 1.8 1.2 Other Companies: 1.5 1.9 2.1 2.3 2.1 2.2 1.9 2.3 2.3 1.8 Find the means for both Find the medians for both Compare the results. Choose the correct answer below. A. The mean and the median for the security company are both lower than the mean and the median for the collections performed by other companies. B. The mean and median appear to be roughly the same for all collections. C. The mean is lower for the security company, but the median is lower for the collections performed by other companies. D. The mean and the median for the collections performed by other companies are both lower than the mean and the median for the security company. E. The median is lower for the collections performed by other companies, but the mean is lower for the security company. Do the limit data listed here show evidence of stealing by the security company's employees? A. Since the security company does not appear to have collected lower revenue than the other companies, there is no evidence of stealing by the security company's employees. B. The sample size is not large enough to show any meaningful results. C. Since the data is not matched, there is no evidence of stealing by the security company's employees. D. Since the security company appears to have collected lower revenue than the other companies, there is some evidence of stealing by the security company's employees.

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Description: 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 s

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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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:	1.7	1.3	1.7	1.3	1.4	1.8	1.1	1.8	1.8	1.2
Other Companies:	1.5	1.9	2.1	2.3	2.1	2.2	1.9	2.3	2.3	1.8

Find the means for both

Find the medians for both

Compare the results. Choose the correct answer below.

The mean and the median for the security company are both lower than the mean and the median for the collections performed by other companies.

The mean and median appear to be roughly the same for all collections.

The mean is lower for the security company, but the median is lower for the collections performed by other companies.

The mean and the median for the collections performed by other companies are both lower than the mean and the median for the security company.

The median is lower for the collections performed by other companies, but the mean is lower for the security company.

Do the limit data listed here show evidence of stealing by the security company's employees?

Since the security company does not appear to have collected lower revenue than the other companies, there is no evidence of stealing by the security company's employees.

The sample size is not large enough to show any meaningful results.

Since the data is not matched, there is no evidence of stealing by the security company's employees.

Since the security company appears to have collected lower revenue than the other companies, there is some evidence of stealing by the security company's employees.

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

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