Overview
A recent study observed a correlation between chocolate consumption and the number of Nobel laureates. This has led to the suggestion that consuming more chocolate could increase the number of laureates due to the beneficial effects of cocoa-flavanols on cognitive functioning. The table below lists five paired data values of chocolate consumption and Nobel laureates.
Question #1: In your own words, please explain what a correlation coefficient is and provide the formula for it.
Question #2: Calculate the value of the correlation coefficient and round your answer to three decimal places.
Question #3: In your own words, please explain how you found the correlation coefficient.
Question #4: In your own words, please explain your conclusion.
| Nobel Laureates | 6 | 9 | 3 | 2 | 11 |
| Chocolate | 5 | 6 | 4 | 4 | 5 |