Kold Co has collected eight months of data on the relationship between marketing expenditure per month (x) and sales revenue per month (y). The following results from correlation and regression calculations are available: ΣΧ ΣΥ b r 91.00 200,388.76 4.36 0.90 Which of the following statements are correct? (1) If no money is spent on marketing, sales will be $24,999 (to the nearest $) on average (2) For every additional $1 spent on marketing, sales revenue would increase by $0.90 (3) 81% of the variation in sales revenue is explained by changes in the amount of marketing expenditure O 1 and 2 only O1 and 3 only O 1, 2 and 3 O2 and 3 only

Kold Co has collected eight months of data on the relationship between marketing expenditure per month (x) and sales revenue per month (y). The following results from correlation and regression calculations are available: ΣΧ ΣΥ b r 91.00 200,388.76 4.36 0.90 Which of the following statements are correct? (1) If no money is spent on marketing, sales will be $24,999 (to the nearest $) on average (2) For every additional $1 spent on marketing, sales revenue would increase by $0.90 (3) 81% of the variation in sales revenue is explained by changes in the amount of marketing expenditure O 1 and 2 only O1 and 3 only O 1, 2 and 3 O2 and 3 only

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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