You Are Considering Testing a New Drug That Is Supposed

question 39

Multiple Choice

You are considering testing a new drug that is supposed to facilitate learning in mentally retarded children. Because there is relatively little known about the drug, you plan to use a nondirectional alternative hypothesis. Since your resources are limited, you can test only 15 subjects. The subjects will be run in a repeated measures design and the data will be analyzed with the sign test, using a = 0.05_{2 tail}. What is the probability of a Type II error?

• A) 0.7032
• B) 0.7031
• C) 0.9824
• D) 0.9648

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Definitions:

Quantitative

Referring to data or information that can be measured and expressed numerically.

Percent Frequencies

The representation of the occurrence of different categories as percentages of the total.

Number of Classes

Number of Classes refers to the division of data into intervals for the purpose of frequency distribution or histogram representation.

Study

An act of devoting time and attention to acquiring knowledge on an academic subject, especially by means of books.