Descriptive Statistics

 
Week 5 Assignment
 

1. Listed below are the amounts​(in millions of​ dollars) collected from parking meters by a security company in your city in the previous 18 months, alongside the average amounts from another company. These data were used to convict 5 members of the security company in your city of grand larceny.

 

Month:	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
Security Company	1.1	1.1	1.3	1.3	1.1	1.1	1.7	1.7	1.2	1.2	1.6	1.6	1.2	1.2	1.2	1.2	1.5	1.5
Other Company	1.6	1.6	2.3	2.3	2.2	2.2	1.5	1.5	2.2	2.2	2.1	2.1	2.3	2.3	1.5	1.5	1.5	1.5

 
 

1. What are the means for each company? (Type integers or decimals rounded to two decimal places as​)

 

2. What are the medians for each company? (Type integers or decimals rounded to two decimal places, as needed)

 

3. Do the limited data listed here show evidence of stealing by the security​company’s employees – why or why not?

 

1. Cans of soda vary slightly in weight. Given below are the measured weights of nine​cans, in pounds.

 

0.8159
0.8192
0.8142
0.8164
0.8172
0.7902
0.8142
0.8123
0.8139

1. Find the mean, mode, and median of these weights.​
2. Which, if​any, of these weights would be considered an​outlier? What are the mean and median weights if the outlier is​ excluded?
3. What would you report as the weight of a typical can of soda?

 
*Assignment adapted from Bennett, J. O., Briggs, W. L., & Triola, M. F. (2017). Statistical reasoning for everyday life. Boston, MA: Pearson-Addison Wesley.