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 companies:
security company (#'s on left) other companies (#'s on right)
1.6; 1.5
1.8; 2.1
1.6; 1.9
1.8; 2.2
1.7; 1.9
1.2; 1.7
1.1; 2.1
1.2; 2.2
1.2; 2.2
1.5; 1.8
find the means.
the mean for the security company is $ million and the mean for the other companies is $
find the medians.
the median for the security company is $ million and the median for the other companies is $
compare the results. choose the correct answer below.
a. the median is lower for the collections performed by othercompanies, but the mean is lower for the security company.
b. 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.
c. the mean and median appear to be roughly the same for all collections.
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 mean is lower for the security company, but the median is lower for the collections performed by other companies.