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STA-201-GS008 Principles of Statistics written assignment 10

This assignment focuses on statistical principles and data analysis methods in STA-201.

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Tesha Goodson0519843609-638-7514teshagaddis@aol.comSTA-201-GS008 JUNE 2015Principles of StatisticsMENTOR: Manisha Rohatgi1STA-201-GS008 Principles of Statistics written assignment 10WRITTEN ASSIGNMENT 10VariableMeanStd. dev.Amount stolen (pounds sterling)20,330.553,510.2Number of bank staff present5.4174.336Number of customers present2.0003.684Number of bank raiders1.6370.971Travel time, in minutes from bankTo nearest police station4.5574.028Bank Robberies: A Statistical Analysisa.Identify and interpret a point estimate for the mean of each of the five aforementionedvariables.Apoint estimateof a population parameter is a single value of a statistic. Forexample, the samplemeanx is apoint estimateof the populationmeanμ.Pointestimates of respective variables is given below.VariableMeanAmountstolen (pounds sterling)20,330.5Number of bank staff present5.417Number of customers present2.000Number of bank raiders1.637Travel time, in minutes from bankTo nearest police station4.557b.Find and interpret a 95%confidence interval for the mean amount stolen.95% confidence interval is given by: mean ± z(a/2)*(sigma/sqrt(n))Confidence inetvalz(a/2)1.959964Lower=20330.5--84549.5

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Document Details

University
Thomas Edison State College
Course
STA 201 GS 008
Subject
Statistics

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