Written Assignment 1 - Gabriel A. Godart

# Written Assignment 1 - Gabriel A. Godart - Principles of...

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Principles of Statistics – STA201 Written Assignment 1 Gabriel A. Godart Thomas Edison State College. Exercises 1.1 Exercise 1.6 The answer is causation. Exercise 1.8 This study is descriptive. It is a summary of the average salaries of professional athletes in three different professional sports for the years 1993 and 2003. Exercise 1.10 This study is inferential. The information obtained from a sample are used to make an inference about drug use by type of drug and age group. Exercise 1.14 a. This population consists of all U.S. adults. The sample consists of 1000 U.S. adults. b. This study is inferential. The data obtained came from a sample of the population. Exercises 1.2 Exercise 1.30 The sample used in this poll is not representative of the population under consideration due to the fact that it was conducted on-line which implies that the participants were home relaxing. Exercise 1.34 a. Simple random sampling is a procedure for which each possible sample of a given size is equally likely to be the one obtained.

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b. A simple random sample is a sample obtained by simple random sampling.
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## This note was uploaded on 05/10/2011 for the course STA 201 taught by Professor Kohn during the Spring '09 term at Thomas Edison State.

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Written Assignment 1 - Gabriel A. Godart - Principles of...

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