Calculate the Pearson product-moment correlation coefficient (r) to 2 decimalplaces for the data and comment on the strength and type of the relationship. b) What is the least squares regression equation that can be used to predict film speed?c) Calculate the Coefficient of Determination and interpret the value. d) Predict the film speed of a camera that is 9.5 months old to 2 decimal places. e) Predict the film speed of a camera that is 14 months old to 2 decimal places.f)Comment on the validity of these predictions Within Polaroid's central laboratory, scientists systematically sample and analyse instantfilms that have been stored at temperature and humidity levels approximating those towhich the films will be subjected after they have been purchased by customers. Toinvestigate the relationship between film speed and the age of a film, Polaroid's centrallaboratory selected film samples ranging in age (time since manufacture) from 0 to 13months.Age Speed16311612139312541215116111797885921076116512611344

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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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Calculate the Pearson product-moment correlation coefficient (r) to 2 decimal places for the data and comment on the strength and type of the relationship. b) What is the least squares regression equation that can be used to predict film speed? c) Calculate the Coefficient of Determination and interpret the value. d) Predict the film speed of a camera that is 9.5 months old to 2 decimal places. e) Predict the film speed of a camera that is 14 months old to 2 decimal places. f) Comment on the validity of these predictions