Averages and Indices Differ from One Another in That an Index

question 15

Multiple Choice

Averages and indices differ from one another in that an index

• A) always moves up before a corresponding average moves up, and always moves down before a corresponding average moves down.
• B) measures the current price behaviour of a group of stocks in relation to a base value set at an earlier point in time.
• C) is the arithmetic average price behaviour of a group of shares at a given point in time.
• D) is of value in- and- of itself, whereas an average must be compared to a historical figure to have any meaning.

Describe the phenomena related to sensory memory, including its duration and impact.

Understand serial position effects on memory recall.

Identify methods to enhance sensory memory.

Understand the rehearsal process and its importance in memory retention.