Three Groups of Subjects Were Randomly Selected, 10 Subjects in Each

question 13

Essay

Three groups of subjects were randomly selected, 10 subjects in each group. The SS between was 668.47, and the SS within was 923.40.
a. Calculate the F ratio
b. Should Ho be rejected? If rejected, state the probability of alpha error.

---

Definitions:

Cafeteria

A type of food service location within an institution where there is a selection of different meals available, generally serving food in a self-service manner.

Service Department

A division within a company that performs support functions, aiding the production or sales departments but not generating revenue directly.

Information Technology

The use of computers, storage, networking and other physical devices, infrastructure, and processes to create, process, store, secure, and exchange all forms of electronic data.

Operating Departments

Divisions within an organization directly involved in its core business activities, such as production or sales.