Answered: The following data represent the…

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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Related questions

Question

The following data represent the heights (in feet) and the number of stories of the tallest buildings in a major city.

Height	480	520	575	603	700	730	820
Number of Stories	42	39	38	42	46	49	54

(a)

Compute r. (Round your answer to four decimal places.)

r =

(b)

Based on the calculated correlation coefficient from part (a), which phrase correctly describes the strength and direction of the correlation?

strong and positivemoderate and positive weak and positivevery weak and positiveno linear relationship

(c)

Referring to the scenario above and the r value found, what is the implication for the behavior of y as x increases?

Based on the value of r, we cannot draw any conclusions for the behavior of y as x increases.Based on the value of r, y should tend to remain constant as x increases. Based on the value of r, y should tend to increase as x increases.Based on the value of r, y should tend to decrease as x increases.

(d)

Determine whether the following statement is true or false.

We could use this pattern for a very long time to predict number of stories in a building from the overall height.

True or False

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