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A golf instructor is interested in determining if her new technique for improving players鈥 golf scores is effective. She takes four (4) new students. She records their 18-hole scores before learning the technique and then after having taken her class. She conducts a hypothesis test. The data are as Table 10.37.

Player 1Player 2Player 3Player 4Mean score before class83789387Mean score after class80808686

This is:

a. a test of two independent means.

b. a test of two proportions.

c. a test of a single mean.

d. a test of a single proportion.

Short Answer

Expert verified

This is a test of two independent means.

Step by step solution

01

Given Information

Given data:

Player 1Player 2Player 3Player 4Mean score before class83789387Mean score after class80808686

02

Explanation

Testing can be carried out if the data and mean-variance of both samples are determined, and the population standard deviation is unknown, that is a test of two independent means.

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