Year Advertising Expenditure $ 000 Membership Subscriptions2013 51622014 586820156266201665662017 68672018 76722019 77732020 78722021 78782022 84732023 8576 (i) Plot the scattergraph for the data. show all workings(ii) Use the data, to develop a regression equation relating advertising expenditure to membership. show all workings

The regression equation is,The slope is calculated below,The intercept is,

Answered: (i) Plot the scattergraph for the data.…

(i) Plot the scattergraph for the data. show all workings (ii) Use the data, to develop a regression equation relating advertising expenditure to membership. show all workings

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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Question


Year	Advertising Expenditure $ 000	Membership Subscriptions
2013	51	62
2014	58	68
2015	62	66
2016	65	66
2017	68	67
2018	76	72
2019	77	73
2020	78	72
2021	78	78
2022	84	73
2023	85	76

(i) Plot the scattergraph for the data. show all workings

(ii) Use the data, to develop a regression equation relating advertising expenditure to membership. show all workings

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