TABLE 9-9 The President of a University Claimed That the Entering Class

question 31

Multiple Choice

TABLE 9-9
The president of a university claimed that the entering class this year appeared to be larger than the entering class from previous years but their mean SAT score is lower than previous years. He took a sample of 20 of this year's entering students and found that their mean SAT score is 1,501 with a standard deviation of 53. The university's record indicates that the mean SAT score for entering students from previous years is 1,520. He wants to find out if his claim is supported by the evidence at a 5% level of significance.
-Referring to Table 9-9, the population the president is interested in is

• A) all entering students to all universities in the U.S this year.
• B) all entering students to his university this year.
• C) all SAT test centers in the U.S. this year.
• D) the SAT scores of all students entering universities in the U.S. this year.

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Definitions:

Nonverbal Facial Expression

Facial gestures and movements that are used to convey emotions or messages without speaking.

Encoding

The process of converting ideas and messages into symbols, words, or actions to communicate with others.

Noise

Any unwanted or distracting sound that interferes with the communication process, potentially hindering the receiver's ability to understand the message.

Communication Ethics

The moral principles and values that guide behavior and decision-making in communication processes.