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

question 167

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

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Definitions:

Spinal Cord

A long, thin, tubular bundle of nervous tissue and support cells that extends from the brain, conducting sensory and motor nerve impulses to and from the brain to the body.

Cervical

Relating to the cervix in the context of the female reproductive system or the neck region in the context of anatomy.

Lumbar

Referring to the lower part of the spine or lower back region, composed of five vertebrae between the thoracic vertebrae and the sacral region.

Diencephalon

The diencephalon is a region of the brain that includes structures such as the thalamus and hypothalamus, integral to the regulation of various physiological processes.