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

question 10

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 parameter the president is interested in is

• A) the mean number of entering students to his university this year.
• B) the mean number of entering students to all U.S. universities this year.
• C) the mean SAT score of the entering students to his university this year.
• D) the mean SAT score of the entering students to all U.S. universities this year.

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Definitions:

U.S. Census Bureau

An essential body within the U.S. Federal Statistical System, tasked with the creation of statistics concerning the American public and the economy.

Partially Socialist

A term that describes a society or economic system that incorporates elements of socialism within a broader capitalist framework, combining government intervention with market freedom.

Pure Socialism

An economic and political system where the government or the community as a whole owns and controls the means of production, distribution, and exchange with the aim of equal wealth distribution and the elimination of classes.

Industrial Revolution

The Industrial Revolution was a period of major industrialization and technological innovation that began in the late 18th century, leading to significant changes in society and the economy.