The National Football League Has Performed a Study in Which

question 105

Multiple Choice

The National Football League has performed a study in which the total yards gained by teams in games was used as an independent variable to explain the variation in total points scored by teams during games. The points scored ranged from 0 to 57 and the yards gained ranged from 187 to 569. The following regression model was determined: = 12.3 + .12x Given this model, which of the following statements is true?

• A) The average points scored for teams who gain zero yards during a game is -12.3 points.
• B) The average yards gained will increase by .12 for every additional point scored.
• C) The average change in points scored for each increase of one yard will be 0.12
• D) The average number of points scored per game is 12.3

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Definitions:

Lev Vygotsky

A psychologist from Russia recognized for his contributions to understanding cognitive growth, especially his theory on the Zone of Proximal Development.

Lawrence Kohlberg

A psychologist known for his theory of moral development, which suggests that individuals progress through stages of moral reasoning as they grow.

Zygotes

The initial cell formed when a new organism is produced by the combination of male and female reproductive cells.

Epigenetics

The study of changes in organisms caused by modification of gene expression rather than alteration of the genetic code itself.