If the correlation between two variables is close to 0, you can conclude that a scatterplot would show A. no straight-line pattern, but there might be a strong pattern of another form. B. a cloud of points with no visible pattern. C. a strong straight-line pattern. D. None of the above. (b) In a scatterplot of the average price of a barrel of oil and the average retail price of a gallon of gasoline, you expect to see A. very little association. B. a negative association. C. a positive association. D. None of the above. (c) You have data for many years on the average price of a barrel of oil and the average retail price of a gallon of unleaded regular gasoline. When you make a scatterplot, the explanatory variable on the x -axis A. can be either oil price or gasoline price. B. is the price of oil. C. is the price of gasoline. D. None of the above
If the
A. no straight-line pattern, but there might be a strong pattern of another form.
B. a cloud of points with no visible pattern.
C. a strong straight-line pattern.
D. None of the above.
(b) In a scatterplot of the average price of a barrel of oil and the average retail price of a gallon of gasoline, you expect to see
A. very little association.
B. a negative association.
C. a positive association.
D. None of the above.
(c) You have data for many years on the average price of a barrel of oil and the average retail price of a gallon of unleaded regular gasoline. When you make a scatterplot, the explanatory variable on the x -axis
A. can be either oil price or gasoline price.
B. is the price of oil.
C. is the price of gasoline.
D. None of the above.
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