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

question 112

True/False

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 null hypothesis would be rejected if a 10% probability of committing a Type I error is allowed.

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Definitions:

Insurance Money

Funds received from an insurance policy, which are typically paid out upon certain events such as accidents, health issues, or death.

Denial

A psychological defense mechanism in which confrontation with a personal problem or with reality is avoided by denying the existence of the problem or reality.

Isolation

The experience of being separated from others, which can be physical or emotional, and impact mental health.

Adjustment

The process of adapting or becoming better suited to a new condition or environment.