Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 15 Jul 2017 My Price 9.00

Altitude and Latitude

Correlations. The study of U.S. cities in Exercise 25 found the mean January Temperature (degrees Fahrenheit), Altitude (feet above sea level), and Latitude (degrees north of the equator) for 55 cities. Here’s the correlation matrix:

 

a) Which seems to be more useful in predicting January Temperature—Altitude or Latitude? Explain.

b) If the Temperature were measured in degrees Celsius, what would be the correlation between Temperature and Latitude?

c) If the Temperature were measured in degrees Celsius and the Altitude in meters, what would be the correlation? Explain.

d) What would you predict about the January Temperature in a city whose Altitude is two standard deviations higher than the average Altitude?

Exercise 25

U.S. cities. Data from 50 large U.S. cities show the mean January Temperature and the Latitude. Describe what you see in the scatterplot.

Answers

Maurice Tutor
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Status NEW Posted 15 Jul 2017 10:07 PM My Price 9.00

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