Professor Richard Rockabilly Developed a Measure of an Ideal Rock

question 73

Multiple Choice

Professor Richard Rockabilly developed a measure of an ideal rock group.He added together ratings of six factors: clear beat in music,on-stage performance excitement,new electronic sound,dress and appearance of performers,distinctiveness of sound,and degree to which lyrics were relevant.He rated 25 groups on the six factors to get an overall measure of each rock group.He created a(n)

• A)index.
• B)scale.
• C)measure of central tendency.
• D)statistic.
• E)item analysis.

---

Definitions:

Addition Rule

A method used in probability to determine the total probability of the occurrence of at least one of several events.

Deck of Cards

A standard set of 52 playing cards, used in various games, consisting of four suits: hearts, diamonds, clubs, and spades.

Addition Rule

In probability, a rule that calculates the likelihood of any of two or more mutually exclusive events occurring.

Automobile Accident

An unexpected event involving a vehicle that usually results in damage and/or injury.