Exhibit 7-2 A Random Sample of 10 Examination Papers in a Course

question 46

Multiple Choice

Exhibit 7-2
A random sample of 10 examination papers in a course, which was given on a pass or fail basis, showed the following scores.
-Refer to Exhibit 7-2. The point estimate for the variance of the population is

• A)419.43
• B)20.48
• C)75
• D)750

---

Definitions:

Implicit Memory

A type of memory in which previous experiences aid in the performance of a task without conscious awareness of these previous experiences.

Acrostic Method

A mnemonic device that makes use of the first letters of words in a phrase or list to create a new word or phrase.

Method of Loci

A mnemonic technique where information is visualized within familiar spatial locations to improve recall.

Solar System

The collection of planets and their moons in orbit around the Sun, along with smaller bodies such as asteroids and comets.