Use Technology to Find the best function. The following data represents the increase of Covid-19 cases in Washington State per day from Sept 20 - November 16. Use units your answers where appropriate and round all decimals (in answers and equations) to the hundredths place. t (days) # of Cases 0 283 Source: The New York Times B 10 549 b.) What is the r^2 value for the linear model? F3 23 1,046 d.) What is the r^2 value of the quadratic regression model? a.) Determine the equation of the regression line (round to 2 decimal places). (Write in y = ax + b form.) c.) Find the quadratic regression model for the data in the form F(x) = Ax² + Bx + C Search the web F5 43 1678 e.) Using your model that fits the data the best (hint: use the r^2 value to decide), and estimate the total number of new daily cases on day 100, assuming no new state Covid restrictions are put into place. Round your answer to the nearest whole number. f.) If the Covid-19 mortality rate in Washington state is approximately 1.9%, how many people diagnosed with Covid-19 on day 100 will die from the disease? Write your answer in a complete sentence. F6 57 7 3237 H PrtScn 8 F8 Home 9 End
Use Technology to Find the best function. The following data represents the increase of Covid-19 cases in Washington State per day from Sept 20 - November 16. Use units your answers where appropriate and round all decimals (in answers and equations) to the hundredths place. t (days) # of Cases 0 283 Source: The New York Times B 10 549 b.) What is the r^2 value for the linear model? F3 23 1,046 d.) What is the r^2 value of the quadratic regression model? a.) Determine the equation of the regression line (round to 2 decimal places). (Write in y = ax + b form.) c.) Find the quadratic regression model for the data in the form F(x) = Ax² + Bx + C Search the web F5 43 1678 e.) Using your model that fits the data the best (hint: use the r^2 value to decide), and estimate the total number of new daily cases on day 100, assuming no new state Covid restrictions are put into place. Round your answer to the nearest whole number. f.) If the Covid-19 mortality rate in Washington state is approximately 1.9%, how many people diagnosed with Covid-19 on day 100 will die from the disease? Write your answer in a complete sentence. F6 57 7 3237 H PrtScn 8 F8 Home 9 End
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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