The Average Salary for All 27 Arizona Diamondbacks in the 2012

question 122

Multiple Choice

The average salary for all 27 Arizona Diamondbacks in the 2012 baseball season was $2,653,029, with a standard deviation of $2,587,139.The population, all National League baseball players in 2012, earned an average salary of $3,213,479, with a standard deviation of $1,451,308.Does the average salary of the Diamondbacks players differ from that of all players in the National League? What statistical analysis is used to answer this question?

• A) single-sample t test
• B) z test
• C) standard deviation analysis
• D) dependent-samples t test

---

Definitions:

Calcium

A chemical element symbolized by Ca, essential for living organisms, particularly in cell physiology and bone formation.

ATP

Adenosine triphosphate, a complex organic chemical that provides energy to drive many processes in living cells, such as muscle contraction, nerve impulse propagation, and chemical synthesis.

Buoyancy

The force that causes objects to float in a fluid by displacing a volume of fluid whose weight equals the object's weight.

Adaptation

The process by which organisms become better suited to their environment through genetic changes over generations.