Below is a plot of data showing the relationship between the nitrogen oxide and carbon dioxide emissions from 46 different cars.
Which of the following statements is the most correct conclusion from this plot of the relationship between these two emissions.
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Question

Below is a plot of data showing the relationship between the nitrogen oxide and carbon dioxide emissions from 46 different cars.

Which of the following statements is the most correct conclusion from this plot of the relationship between these two emissions.

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Answer

A power law model is indicated with a positive association.

Answer

The markedly decreasing slope indicates that this may be an exponential decay pattern.

Answer

A linear plot is indicated so the relationship between the two types of emissions is linear.

Answer

There is insufficient evidence to decide on any specific type of relationship between the variables, except that it is a general curved decay.

Answer

A power law model is clearly indicated with a negative association.

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