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OPS MGMT Assignment 3 Two Problems

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Question;1. Some citizens complained to Victoria city council members that there should be equal protectionunder the law against the occurrence of crimes. The citizens argued that this equal protection shouldbe interpreted as indicating that high-crime areas should have more police protection than low crimeareas. Therefore, police patrols and other methods for preventing crime (such as street lighting orcleaning up abandoned areas and building) should be used proportionately to crime occurrence.The city is divided into 20 geographical areas, each containing 5000 residences. The 1000 sampledfrom each area showed the following incidences of crime during the past month:Area CrimesSampleSize1 14 10002 3 10003 19 10004 18 10005 14 10006 28 10007 10 10008 18 10009 12 100010 3 100011 20 100012 15 100013 12 100014 14 100015 10 100016 30 100017 4 100018 20 100019 6 100020 30 1000Suggest a reallocation of crime protection effort based on a p-chart analysis. Use a 95% confidence level(i.e. z = 1.96)2. The following table containsthe measurement of the key length dimension from a fuel injector. Thesesample of size five were taken at one hour interval.Sample number 1 2 3 4 51.486.499.493.511.4812.499.506.516.494.5293.496.500.515.488.5214.495.506.483.487.4895.472.502.526.469.4816.473.495.507.493.5067.495.512.490.471.5048.525.501.498.474.4859.497.501.517.506.51610.495.505.516.511.49711.495.482.468.492.49212.483.459.526.506.52213.521.512.493.525.51014.487.521.507.501.50015.493.516.499.511.51316.473.506.479.480.52317.477.485.513.484.49618.515.493.493.485.47519.511.536.486.497.49120.509.490.470.504.512Construct a three sigma X-bar chart and R chart for the length of the fuel. What can you say about thisprocess?

 

Paper#46193 | Written in 18-Jul-2015

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