Maurice Tutor

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Teaching Since: May 2017
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 27 Aug 2017 My Price 8.00

number of accidental death

  1. The table below lists the number of accidental death per 100,000 people in the United States through the past century (from the U.S. Department of Health and Human Services, National Center of Health Statistics). Use the explanation below the table to find how many deaths will there be in 2010?

Year 1910   1920   1930   1940   1950   1960   1970   1980   1990 2000
Death Rate   84.4   71.2    80.5    73.4   60.3     52.1    56.2   46.5    36.9 34.0

To find the answer, we use a technique called least squares regression. We begin by entering the data into a TI-83/84 calculator. We will be using two lists called L1 and L2. Hit the STAT menu and going to EDIT. Enter the last two digits of the first row of the table in L1 (note the year 2000 will be 100 in L1). Then enter the second row into L2. Then press STAT again and choose CALC. Then choose item 4 LinReg(ax+b). Note you get an a and a b back for the line y=ax+b.   What equation did you get? Now find the number of deaths in 2010. Also use your equation to find what year is the death rate predicted to drop below 26 per 100,000 population.    

Thanks for help !!

Answers

Maurice Tutor
(5)
Status NEW Posted 27 Aug 2017 11:08 PM My Price 8.00

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