(b) Would you say the correlation is low, moderate, or strong? O low O moderate O strong Would you say the correlation is positive or negative? O positive O negative (c) Use a calculator to verify that x= 5813, x - 5,637,239, Sy = 585, = 66,707 and xy = 559,677. Compute r. (Round your answer to four decimal places.) As x increases, does the value of r imply that y should tend to increase or decrease? Explain your answer. O Given our value of r, y should tend to increase as x increases. O Given our value of r, we can not draw any conclusions for the behavior of y as x increases. O Given our value of r, y should tend to remain constant as x increases. O Given our value of r, y should tend to decrease as x increases.

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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(b) Would you say the correlation is low, moderate, or strong?
O low
moderate
O strong
Would you say the correlation is positive or negative?
O positive
O negative
(c) Use a calculator to verify that
`x = 5813, x²
= 5,637,239, y = 585,
y² = 66,707 and xy = 559,677.
%3D
Compute r. (Round your answer to four decimal places.)
As x increases, does the value of r imply that y should tend to increase or decrease? Explain your answer.
O 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.
O Given our value of r, y should tend to remain constant as x increases.
O Given our value of r, y should tend to decrease as x increases.
Transcribed Image Text:(b) Would you say the correlation is low, moderate, or strong? O low moderate O strong Would you say the correlation is positive or negative? O positive O negative (c) Use a calculator to verify that `x = 5813, x² = 5,637,239, y = 585, y² = 66,707 and xy = 559,677. %3D Compute r. (Round your answer to four decimal places.) As x increases, does the value of r imply that y should tend to increase or decrease? Explain your answer. O 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. O Given our value of r, y should tend to remain constant as x increases. O Given our value of r, y should tend to decrease as x increases.
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.
1004
975
992
935
985
922
40
100
65
145
84
151
A USE SALT
(a) Make a scatter diagram of the data and visualize the line you think best fits the data.
1000
1000
980
980
960
960
940
940
920E
920
40
60
80
100
120
140
40
60
80
100
120
140
x (lowest pressure (in millibars))
x (lowest pressure (in millibars))
140
140
120
120
100
100
80
80
60
60
40
1000
960
980
940
40
1000
960
980
940
x (lowest pressure (in millibars))
x (lowest pressure (in millibars))
y (maximum wind speed (in miles per hour)
y (maximum wind speed (in miles per hour))
y (maximum wind speed (in miles per hour))
y (maximum wind speed (in miles per hour)
..
Transcribed Image Text: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. 1004 975 992 935 985 922 40 100 65 145 84 151 A USE SALT (a) Make a scatter diagram of the data and visualize the line you think best fits the data. 1000 1000 980 980 960 960 940 940 920E 920 40 60 80 100 120 140 40 60 80 100 120 140 x (lowest pressure (in millibars)) x (lowest pressure (in millibars)) 140 140 120 120 100 100 80 80 60 60 40 1000 960 980 940 40 1000 960 980 940 x (lowest pressure (in millibars)) x (lowest pressure (in millibars)) y (maximum wind speed (in miles per hour) y (maximum wind speed (in miles per hour)) y (maximum wind speed (in miles per hour)) y (maximum wind speed (in miles per hour) ..
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