The researchers in the previous question wonder if there is any relationship between patient age and average fasting blood sugar. The best data display tool the researchers could use to look for a possible relationship would be a

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A scatter diagram would be the best choice as it shows the relationship between two numerical variables, in this case patient age and fasting blood sugar levels. It would allow the researchers to see if there is any correlation or pattern between the two variables. A line graph would not be appropriate as it is used to display data over time. A Pareto diagram is used to display categorical data, while a cause and effect diagram is used to identify the potential causes of a problem.

The Researchers in the Previous Question Wonder If There Is