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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 1004 975 40 100 992 935 979 65 145 82 154 920 A USE SALT (a) Make a scatter diagram of the data and visualize the line you think best fits the data. 160. * 140 120 100 80 60 40t. 920 940 960 980 1000 x (lowest pressure (in millibars)) 160 140 120 100 80 60 E 40le 920 940 960 980 1000 x (lowest pressure (in millibars)) 1000 980 960 940 920. 40 60 80 100 120 140 x (lowest pressure (in millibars)) 1000 980 960 940 920 40 60 80 100 120 140 x (lowest pressure (in millibars)) (b) Would you say the correlation is low, moderate, or strong? O low O moderate O strong y (maximum wind speed (in miles per hour))

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 1004 975 40 100 992 935 979 65 145 82 154 920 A USE SALT (a) Make a scatter diagram of the data and visualize the line you think best fits the data. 160. * 140 120 100 80 60 40t. 920 940 960 980 1000 x (lowest pressure (in millibars)) 160 140 120 100 80 60 E 40le 920 940 960 980 1000 x (lowest pressure (in millibars)) 1000 980 960 940 920. 40 60 80 100 120 140 x (lowest pressure (in millibars)) 1000 980 960 940 920 40 60 80 100 120 140 x (lowest pressure (in millibars)) (b) Would you say the correlation is low, moderate, or strong? O low O moderate O strong y (maximum wind speed (in miles per hour))

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter1: Variables, Expressions, And Integers
Section1.5: Adding Integers
Problem 45E
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x (lowest pressure (in millibars)) 1000 980 960 940 92아 40 60 80 100 120 140 x (lowest pressure (in millibars)) (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 negative (c) Use a calculator to verify that x = 5805, x² = 5,621,771, y = 586, y² = 67,290 and xy = 559,673. 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 remain constant as x increases. 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 decrease as x increases. y (maximum wind speed (in miles per hour))
Transcribed Image Text:x (lowest pressure (in millibars)) 1000 980 960 940 92아 40 60 80 100 120 140 x (lowest pressure (in millibars)) (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 negative (c) Use a calculator to verify that x = 5805, x² = 5,621,771, y = 586, y² = 67,290 and xy = 559,673. 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 remain constant as x increases. 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 decrease as x increases. y (maximum wind speed (in miles per hour))
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 1004 975 992 65 935 145 979 920 154 y 40 100 82 A USE SALT (a) Make a scatter diagram of the data and visualize the line you think best fits the data. 160. & 140 120 100 80 60 40 E 920 940 960 980 1000 x (lowest pressure (in millibars)) 160 140 120 100 80 60 40e 920 940 960 980 1000 x (lowest pressure (in millibars)) 1000 980 960 940 920 40 60 80 100 120 140 x (lowest pressure (in millibars)) * 1000 980 960 940 920 40 60 80 100 120 140 x (lowest pressure (in millibars)) (b) Would you say the correlation is low, moderate, or strong? O low O moderate O strong wind speed (in miles per hour) y (maximum wind speed (in miles per hour) ((anoy Jad saru ut) paads putM unupxeur)
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. X 1004 975 992 65 935 145 979 920 154 y 40 100 82 A USE SALT (a) Make a scatter diagram of the data and visualize the line you think best fits the data. 160. & 140 120 100 80 60 40 E 920 940 960 980 1000 x (lowest pressure (in millibars)) 160 140 120 100 80 60 40e 920 940 960 980 1000 x (lowest pressure (in millibars)) 1000 980 960 940 920 40 60 80 100 120 140 x (lowest pressure (in millibars)) * 1000 980 960 940 920 40 60 80 100 120 140 x (lowest pressure (in millibars)) (b) Would you say the correlation is low, moderate, or strong? O low O moderate O strong wind speed (in miles per hour) y (maximum wind speed (in miles per hour) ((anoy Jad saru ut) paads putM unupxeur)
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