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:

Callus Cell

A type of undifferentiated cell that forms during the healing of wounds in plants, also used in tissue culture for plant propagation.

Xylem

The plant's vascular system, tasked with transporting water and nutrients from the roots throughout the plant.

Phloem

The vascular tissue in plants responsible for the transport of nutrients, specifically the sugars produced by photosynthesis, throughout the plant.

Structure

The arrangement or organization of parts to form an organism, system, or object, often determining its function.