The Dean of a Local School Wants to Determine If

question 2

Short Answer

The dean of a local school wants to determine if the grade distribution is independent of
the subject matter taught.How many degrees of freedom does this contingency table have?

---

Definitions:

Exocrine System

A network of glands in the body that secrete substances directly into ducts leading to the exterior of the body, such as sweat, saliva, and digestive enzymes.

Blood

A vital liquid in humans and many animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.

Adrenal Glands

Small, triangular glands located on top of both kidneys that produce hormones such as adrenaline and cortisol, which regulate metabolism, immune response, and stress.

Kidneys

Vital organs in vertebrates responsible for filtering blood, removing waste products, and regulating fluid balance.