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Tesha Goodson 0519843 609-638-7514 teshagaddis@aol.com STA-201-GS008 JUNE 2015 Principles of Statistics MENTOR: Manisha Rohatgi WRITTEN ASSIGNMENT 10 Variable Amount stolen (pounds sterling) Number of bank
Tesha Goodson 0519843 609-638-7514 teshagaddis@aol.com STA-201-GS008 JUNE 2015 Principles of Statistics MENTOR: Manisha Rohatgi WRITTEN ASSIGNMENT 10 Variable Amount stolen (pounds sterling) Number of bank staff present Number of customers present Number of bank raiders Travel time, in minutes from bank To nearest police station Mean 20,330.5 5.417 2.000 1.637 4.557 Std. dev. 53,510.2 4.336 3.684 0.971 4.028 Bank Robberies: A Statistical Analysis a. Identify and interpret a point estimate for the mean of each of the five aforementioned variables. b. Find and interpret a 95% confidence interval for the mean amount stolen. c. Find and interpret a 95% confidence interval for the mean number of bank staff present at the time of robberies. d. Determine and interpret a 95% confidence interval for the mean number of customers present at the time of robberies. e. Determine and interpret a 95% confidence interval for the mean number of bank robberies. f. Obtain and interpret a 95% confidence interval for the mean travel time from the nearest police station to the bank outlet. 1
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