4. The following scatterplot shows the relationship between scores on an anxiety

Question

4. The following scatterplot shows the relationship between scores on an anxiety scale and an achievement test for science. Choosethe best interpretation of the relationship between anxiety level and science achievement based on the scatterplot 25 20 15 10 10 20 30 40 50 Anxiety Level A. This graph shows a strong negative linear relationship between anxiety and achievement in science. B. This graph shows a moderate linear relationship between anxiety and achievement in Science C. This graph shows very little, if any, linear relationship between anxiety and achievement in science. 5. Researchers surveyed 1,000 randomly selected adults in the U.S. A statistically significant, strong positive correlation was found between income level and the number of containers of recycling that they typically collect in a week. Please select the best interpretation of this result. A. We cannot conclude whether earning more money causes more recycling among U.S. adults because this type of design does not allow us to infer causation. B. This sample is too small to draw any conclusions about the relationship between income level and amount of recycling for adults in the U.S. C. This result indicates that earning more money influences people to recycle more than people who earn less money. D. All of the above 6. To determine the relationship between two variables while holding a third one constant you should calculate a A. Point biserial correlation B. Partial correlation C. Pearson correlation D. Spearman correlation

Explanation / Answer

(4) The points in the graph are randomly distributed without showing any pattern

Therefore, we can say that the graph shows very little, if any, linear relationship between anxiety and science achievement scores.

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