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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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Question 19

Suppose you are interested in uncovering the relationship between snowfall (in inches) in the month of December and the flow rate of Yosemite Falls in April (in cubic meters per second) over the span of years from 2005 to 2010 (inclusive). You observe the following snowfall in inches of snow and Yosemite Falls flowrate data: December Snowfall (X)=[16,19,18,16,20,17] and April Flowrate (Y)=[22,23,21,18,26,21]. Suppose your estimate of β₁ is 1.8, how would you interpret that number?

A) We expect than a 1 unit increase in December snowfall will lead to about a 1.8 decrease in the April flowrate

B) We expect than a 1 unit increase in December snowfall will lead to about a 1.8 increase in the April flowrate

C) We expect that zero December snowfall will lead to an April flowrate of about 1.8

D) We expect that zero April flowrate implies a December snowfall of about 1.8

E) None of the above is correct

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