Statement of a problem № m946


The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making a final decision, the council asked the chief of police to survey other cities of similar size to determine the relationship between the number of police and the number of crimes reported. The chief gathered the following sample information.  a. Which variable is the dependent variable and which is the independent variable? b. Draw a scatter diagram. c. Determine the correlation coefficient. d. Interpret the correlation coefficient. Does it surprise you that the correlation coefficient isnegative?

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