Current research states that a good diet should contain 20-35 grams of dietary fiber. Research also states that each day should start with a healthy breakfast. The nutritional information for 77 breakfast cereals was reviewed to find the grams of fiber and the number of calories per serving. The scatterplot below shows the relationship between fiber and calories for the cereals.
-Do you think a model could accurately predict the number of calories in a serving of cereal that has 22 grams of fiber? Explain.
Definitions:
Correlation Coefficient
A statistical measure that calculates the strength and direction of a linear relationship between two variables, ranging from -1 to 1.
Relationship
The manner through which two or more ideas, items, or individuals are linked, or the condition of being linked.
Variables
Elements, features, or factors that are likely to vary or change from one situation to another in an experiment or study.
Representative Sample
A subset of a population that accurately reflects the members of the entire population.
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