Maurice Tutor

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Teaching Since: May 2017
Last Sign in: 304 Weeks Ago, 3 Days Ago
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Communications Posted 19 Sep 2017 My Price 6.00

low barometer

Meteorology: Cyclones Can a low barometer reading be used to predict maximum wind speed of an approaching tropical cyclone? Data for this problem are based on information taken from Weatherwise (Vol. 46, No. 1), a publication of the American Meteorological Society. 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

935

985

932

y

40

100

65

145

80

150

(a) Make a scatter diagram and draw the line you think best fits the data.

(b) Would you say the correlation is low, moderate, or strong? positive or negative?

(c) Use a calculator to verify that Σx = 5823, Σx2= 5,655,779, Σx2= 5,655,779, Σy2= 65,750, and Σxy = 556,315. Compute r. As x increases, does the value of r imply that y should tend to increase or decrease? Explain.

Answers

Maurice Tutor
(5)
Status NEW Posted 19 Sep 2017 10:09 AM My Price 6.00

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