A Large City Installed LED Streetlights,in Part,to Help Reduce Crime

question 112

Essay

A large city installed LED streetlights,in part,to help reduce crime in particular areas.The city collected the number of property crimes along nine randomly selected streets in the month before and after the LED light installation,and claims that crime has been reduced.The crime data is shown in the table. a.Specify the competing hypotheses to test the city's claim.
b.Calculate the value of the relevant test statistic and find the critical value at the 5% significance level.
c.Does the evidence support the city's claim at the 5% significance level?

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Definitions:

Clotting Factors

Proteins in the blood that work together to form a blood clot, preventing excessive bleeding.

ATP Production

The process of generating adenosine triphosphate (ATP), the cell's main energy currency, through cellular respiration or photosynthesis.

Oxidation-Reduction Reactions

Chemical reactions involving the transfer of electrons between two substances, altering their oxidation states and energy levels.

Metabolism

Sum of all the chemical reactions that take place in the body, consisting of anabolism and catabolism. Cellular metabolism refers specifically to the chemical reactions within cells.