Find the regression equation, letting the first variable be the predictor (x) variable. Using the listed lemon/crash data, where lemon imports are in metric tons and the fatality rates are per 100,000 people, find the best predicted crash fatality rate for a year in which there are 475 metric tons of lemon imports. Is the predictionworthwhile? Lemon Imports 227 270 364 466 530 Crash Fatality Rate 16.1 15.9 15.6 15.6 15.2 Find the equation of the regression line. y= nothing+( nothing)x (Round the constant three decimal places as needed. Round the coefficient to six decimal places as needed.) The best predicted crash fatality rate for a year in which there are 475 metric tons of lemon imports is nothing fatalities per 100,000 population. (Round to one decimal place as needed.) Is the prediction worthwhile? A. Since there appears to be an outlier, the prediction is not appropriate. B. Since all of the requirements for finding the equation of the regression line are met, the prediction is worthwhile. C. Since common sense suggests there should not be much of a relationship between the two variables, the prediction does not make much sense. D. Since the sample size is small, the prediction is not appropriate.

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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Find the regression equation, letting the first variable be the predictor (x) variable. Using the listed lemon/crash data, where lemon imports are in metric tons and the fatality rates are per 100,000 people, find the best predicted crash fatality rate for a year in which there are

475

metric tons of lemon imports. Is the predictionworthwhile?

Lemon Imports	227	270	364	466	530
Crash Fatality Rate	16.1	15.9	15.6	15.6	15.2

Find the equation of the regression line.

nothing+(

nothing)x

(Round the constant three decimal places as needed. Round the coefficient to six decimal places as needed.)

The best predicted crash fatality rate for a year in which there are

475

metric tons of lemon imports is

nothing

fatalities per 100,000 population.

(Round to one decimal place as needed.)

Is the prediction worthwhile?

Since there appears to be an outlier, the prediction is not appropriate.

Since all of the requirements for finding the equation of the regression line are met, the prediction is worthwhile.

Since common sense suggests there should not be much of a relationship between the two variables, the prediction does not make much sense.

Since the sample size is small, the prediction is not appropriate.

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