Question 6The following table of values gives a company's annual profits in millions of dollars. Rescale the data so that the year 2001 corresponds to x = 0.Yearb) f(x) = 24.3619 0.357 xc) Of(x) = 24.3691 0.0357 xd) Of(x) = 24.3619 0.0357*e) f(x) = 24.3691-0.0357*f) Of(x) = 24.3691 0.357 xg) None of the aboveProfits (in millions of dollars)Find the exponential regression model for this data.a) Of(x) = 24.3619 0.0357 x2001 2002 2003 2004 2005 200623,825.2 26.3 28.9 27.628.4Review Later

Given information: Year Profits 2001 23.8 2002 25.2 2003 26.3 2004 28.9 2005 27.6…

Answered: Question 6 The following table of…

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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ic SIS Days 1 2 Infected Individuals 678 722 a = 634.581 b = 1.073 2353 The table below shows the number of individuals infected with a disease t days after its first detected by the CDC. b = N X S For each of the following problems, enter regression equation values with at least 3 decimal places. Enter predictions to the nearest whole individual. ✓individuals III 3 4 5 756 825 882 1) Use regression to find an exponential equation that best fits the data above. The equation has form y = abt where: H 6 7 945 1017 individuals M Use the model to predict the number of individuals infected with the disease after 19 days. 8 1104 2) Use regression to find a linear equation that best fits the data above. The equation has form y = mt + b where: Use the model to predict the number of individuals infected with the disease after 19 days. 3) Use regression to find a quadratic equation that best fits the data above. The equation has form y = at² + bt + c where: S MyOpe
The table below shows the number of individuals infected with a disease t days after its first detected by the CDC. Days 1 2 3 Infected Individuals 700 730 740 For each of the following problems, enter regression equation values with at least 3 decimal places. Enter predictions to the nearest whole individual. y 8 4 5 6 7 777 804 830 859 892 Use regression to find an exponential equation that best fits the data above. The equation has form y = ab* where: If using Desmos, click "Log Mode". Use the model to predict the number of individuals infected with the disease after 18 days. individuals
Consider the following model, known as the exponential regression model: Y; = BoefiXi + ui Do you think that you can estimate the model parameters using OLS? Explain. What do you suggest how to estimate the model parameters? How do you think one can proceed estimating these by trial-and-error, or iterative, process?
Question 2 Here are the total expenditures (in billions of dollars) for nursing home care in the US for the years 2014 through 2017. Year Expenditures 2014 152.6 ● 2015 158.1 2016 163 2017 166.3 Let E (t) be the total expenditures (in billions of dollars) for nursing home care in the US t years after 2014. • Use your calculator to perform the linear regression and the exponential regression for this data. Report each regression equation. Be sure to use the variables defined for our data. • Determine which model best fits the data (support your choice). • Use the best fitting model to predict the total expenditures (in billions of dollars) for nursing home care in the US in 2030.
For this exercise, round all regression parameters to three decimal places.The following table shows national health care costs, measured in billions of dollars. Date 1970 1980 1990 2000 2010 Costs inbillions 75 253 714 1353 2570 (a) Plot the data. (Let t be years since 1970 and H the costs in billions of dollars.) b) Find an exponential function that approximates the data for health care costs. (Let t be years since 1970 and H the costs in billions of dollars.) H = 3120.372 × 0.916t H = 993.002 × 1.002t H = 94.414 × 1.091t H = 2560.371 × 0.872t H = 72.438 × 1.143t (c) By what percent per year were national health care costs increasing during the period from 1970 through 2010? (Use the model found in part (b). Round your answer to one decimal place.) %(d) Use functional notation to express how much money was spent on health care in the year 2015. (Let t be years since 1970.) H Estimate that value. (Use the model found in part (b). Round your answer to…
Suppose that the speed of a car, measured in miles per hour (mph), is monitored for some short period of time after the driver applies the brakes. The following table and graph relate the speed of the car to the amount of time, measured in seconds (sec), elapsed from the moment that the brakes are applied. ELAPSED TIME (sec) 2 4 6 8 10 SPEED of CAR (mph) 47 32 22 12 7 mph 30 40 30 20 10 12 What general trend do the data reflect? In which of the time intervals does the speed change the most?
Do students with higher college grade point averages (GPAS) earn more than those graduates with lower GPAS?t Consider the following hypothetical college GPA and salary data (10 years after graduation). GPA Salary ($) 2.22 72,000 2.29 48,000 2.57 72,000 2.59 64,000 2.77 86,000 2.85 98,000 3.12 133,000 3.35 130,000 3.66 157,000 3.68 162,000
i need Part E solution

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