EBK MATLAB: AN INTRODUCTION WITH APPLIC
EBK MATLAB: AN INTRODUCTION WITH APPLIC
5th Edition
ISBN: 8220102007642
Author: GILAT
Publisher: YUZU
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Chapter 8, Problem 20P

The U.S. population in selected years between 1815 and 1965 is listed in the table below. Determine a quadratic equation in the form P= a2t2+ a1t+a0, where t is the number of years after 1800 and P is the population in millions, that best fits the data. Use the equation to estimate the population in 1915 (the population was 98.8 millions). Make a plot of the population versus the year that shows the data points and the equation.

    Year 1815 11845 11875 11905 1935 1965
    Population(millions) 8.3 119.7 444.4 883.2 127.1 190.9

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