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ASSIGNMENT 10

Variable                                                                               Mean                                    Std. dev.

Amount stolen (pounds sterling)                              20,330.5                               53,510.2

Number of bank staff present                                   5.417                                     4.336

Number of customers present                                  2.000                                     3.684

Number of bank raiders                                                                1.637                                     0.971

Travel time, in minutes from bank

To nearest police station                              4.557                                     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.

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• Submitted On 04 Aug, 2015 12:32:13
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This implies that I am 95% confident that estimated mean number...
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