1. What is the linear regression equation? 2. Estimate the demand for the product if the price is 15.00. AreaPrice (X)Demand (Y)A18B101251457D1190E1622F1319

From the given data we find the linear regression equation equation and estimate demand at price 15

Answered: What is the linear regression equation?…

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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low K Find the slope of the demand curve containing the following pair of points: (1,7) and (2,-4) The slope of the demand curve is (Enter your response rounded to two decimal places and include a minus sign if necessary)
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The annual expenditure for cell phones varies by the age of an individual. The average annual expenditure E(a) (in $) for individuals of age a (in years) is given below:a: 20, 30, 40, 50, 60, 70E(a): 502, 658, 649, 627, 476, 2131. Use quadratic regression to find the model that best represents the data.2. At what age is the yearly expenditure for cell phones the greatest? Round the answer to the nearest year. YOU MUST SHOW THE WORK FOR THIS PART!
in the equation of a linear regression, Y = b,X + bo, if b, = -6.8 which means a. For each unit increase in x, y will decrease by 6.8. b. For each unit increase in x, average of y will increase by 6.8 c. For each unit increase in x, average of y will decrease by 6.8 d. For each unit increase in x, y will increase by 6.8
A teacher wants to form a linear regression equation to predict a student's Score on the final based on the number of hours they spent studying for it. Final scores are in percents. y=2x + 60 R-Squared = 0.65 %3D What does the slope mean in terms of the situation? O For each additional hour a student studies, their grade on the final increases by 2%. O For each additional 2 hours a student student studies, their score on the final increases by 1%. O Every hour a student studies, increases their score on the final. O Always choose C. O The more a student studies, the better they will do on the final.
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