Answered: Compute r. (Round your answer to four…

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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Can a low barometer reading be used to predict maximum wind speed of an approaching tropical cyclone? For a random sample of tropical cyclones, let x be the lowest pressure (in millibars) as a cyclone approaches, and let y be the maximum wind speed (in miles per hour) of the cyclone.

x	1,004	975	992	935	971	924
y	40	100	65	145	77	154

Use a calculator to verify that

x = 5,801, x2 = 5,613,547, y = 581, y2 = 66,495
and xy = 554,778.
Compute r. (Round your answer to four decimal places.)
r =
As x increases, does the value of r imply that y should tend to increase or decrease? Explain your answer.
Given our value of r, y should tend to remain constant as x increases.
Given our value of r, y should tend to decrease as x increases.
Given our value of r, y should tend to increase as x increases.
Given our value of r, we can not draw any conclusions for the behavior of y as x increases.

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