Question

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   Other Companies
1.6   1.9
1.1   1.6
1.6   1.7
1.1   1.5
1.5   1.7
1.7   1.8
1.4   1.6
1.7   1.5
1.7   1.5
1.2   2.3

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.)

Compare the results. Choose the correct answer below.

Answer 1

from above:

putting above values in ascending order

	Security	other
	1.1	1.5
	1.1	1.5
	1.2	1.5
	1.4	1.6
	1.5	1.6
	1.6	1.7
	1.6	1.7
	1.7	1.8
	1.7	1.9
	1.7	2.3
total	14.6	17.1
average	1.46	1.71

mean for the security company is =1.46

mean for the other company is =1.71

median for the security company is =middle value =(1.5+1.6)/2 =1.55

median for the other company is =middle value =(1.6+1.7)/2 =1.65