Question

7. REFLECTION: An index is a numerical scale. Characteristics of an index can be used for

the following:
• to compare variables with one another or a reference number,
• to give information about general trends, and
1
to help make comparisons and judgments.
It is often calculated as a weighted sum of various factors resulting in a single summary
number. How can the quarterback rating system be thought of as an index?

Answer 1

The quarterback rating system can be thought of as an index because it uses a numerical scale to summarize the performance of a quarterback based on various factors.

The quarterback rating system can be thought of as an index because it uses a numerical scale to summarize the performance of a quarterback based on various factors.

These factors include completion percentage, yards per attempt, touchdown percentage, and interception percentage.

The system combines these factors using weights to calculate a single summary number that represents the quarterback's overall performance. This summary number allows for easy comparison and judgment of quarterbacks.