Answered: Linear Regression Use linear regression…

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter4: Linear Functions

Section: Chapter Questions

Problem 10RE: Does the following table represent a linear function ? If so, find the linear equation that models...

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Lyme Disease The numbers Nof confirmed cases of Lyme disease in Maryland from 2007 through 2014 are shown in the table, where t represents the year, with t=7corresponding to 2007. (a) Use a graphing utility to create a scatter plot of the data. (b) Use the regression feature of the graphing utility to find a quartic model for the data. (A quartic model has the form at4+bt3+ct2+dt+e,where a,b,c,d,and e are constant and t is variable.) Graph the model in the same viewing window as the scatter plot. (c) Use the model to create a table of estimated values of N.Compare the model with the original data. (d) Use synthetic division to confirm algebraically your estimated value for the year 2014.
Does the following table represent a linear function ? If so, find the linear equation that models the data.
A regression was run to determine whether there is arelationship between the diameter of a tree (x, in inches) and the tree’s age (y, in years). Theresults of the regression are given below. Use this topredict the age of a tree with diameter 10 inches. y=ax+ba=6.301b=1.044r=0.970

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Linear Regression Use linear regression to find the equation for the linear function that best fits this data. Round both numbers to two decimal places. Write your final answer in a form of an equation y=mx+by=mx+b x 1 2 3 4 5 6 y 92 111 130 154 170 190 Linear Regression Equation: