The USGolf Association Provides a Number of Services for Its Members

question 42

Multiple Choice

The U.S.Golf Association provides a number of services for its members.One of these is the evaluation of golf equipment to make sure that the equipment satisfies the rules of golf.For example,they regularly test the golf balls made by the various companies that sell balls in the United States.Recently they undertook a study of two brands of golf balls with the objective to see whether there is a difference in the mean distance that the two golf ball brands will fly off the tee.To conduct the test,the U.S.G.A.uses a robot named "Iron Byron," which swings the club at the same speed and with the same swing pattern each time it is used.The following data reflect sample data for a random sample of balls of each brand. Given this information,what is the test statistic for testing whether the two population means are equal?

• A)= 1.115
• B)t = 1.96
• C)t = -4.04
• D)t = -2.58

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Definitions:

Nonrestrictive Clause

A clause which provides additional information about a noun or pronoun in a sentence but does not limit or define it in an essential way.

Asserted

Stated with confidence or declared strongly as a fact.

Connective

A logical operator that links propositions in compound sentences, such as "and," "or," "not."

Clause

A part of a sentence that contains its own subject and predicate, which can either stand alone as a sentence or be part of a larger sentence.