Reference no: EM131404607
Refer to the latitude and temperature data in the table presented in given Exercise, which also appear in the temperature dataset on the companion website.
a. Draw a scatterplot of y = January temperature versus x = latitude.
b. Is the pattern linear or curved?
c. Is the direction of the association positive or negative? Is this direction what you would expect for these data? Explain.
d. Are there any cities that appear to be outliers because they don't fit the pattern of the rest of the data? If so, which city or cities are they?
Exercise
The data in the following table are the geographic latitudes and the average August and January temperatures (Fahrenheit) for 20 cities in the United States. The cities are listed in geographic order from south to north. (These data are part of the temperature dataset on the companion website.)
a. Draw a scatterplot of y = August temperature versus x = latitude.
b. Is the pattern linear or curvilinear? What is the direction of the association?
c. Are there any cities that appear to be outliers because they don't fit the pattern of the rest of the data? If so, which city or cities are they?
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