Can a low barometer reading be used to predict maximum wind speed of an approach

Question

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

x

1014

935

980

955

995

y

50

80

60

135

84

Would you say the correlation is low, moderate, or strong? Positive or negative? If necessary, draw a scatter diagram of the given data.

x

1014

935

980

955

995

y

50

80

60

135

84

Explanation / Answer

The correlation here is low and it is negatve because as the x increases, y is decreasing more than increase but not much

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