Question
In 2012, the murder rates(per 100,000 residents) for the states an the District of Columbia (D.C.) had a mean of 4.45 and a standard deviation
In 2012, the murder rates(per 100,000 residents) for the states an the District of Columbia (D.C.) had a mean of 4.45 and a standard deviation of 2.37.0
- D.C. had a number rate of 13.9. Find its z-score.
- If the distribution of murder rates were roughly normal, would this be unusually high? Explain
- Below is given a frequency distubtion for the murder rates of the 50 states and D.C. based on the distrubtion, the mean, standard deviation, an z score for D.C., do you think that the distrubtion of muder rates is approvimalty normal? Why or why not?
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Essentials of Business Analytics
Authors: Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
2nd edition
1305627733, 978-1305861817, 1305861817, 978-0357688960, 978-1305627734
