Advanced Placement (AP), 18.11.2020 09:30 bellamore

Life expectancy in the United States varies a bit from state to state. The lowest life expectancy at birth in 2012, 73.09 years, was in the District of Columbia. The highest, 80.23 years, was in Hawaii. The mean of all the states life expectancies is 77.19 years, with a standard deviation of 1.57 years. 1. Calculate the z-score for Washington, D. C.

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Life expectancy in the United States varies a bit from state to state. The lowest life expectancy at...