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

question 19

True/False

SCENARIO 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.
-True or False: Referring to Scenario 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:

Psychodynamic

A psychological perspective that emphasizes unconscious processes and past experiences affecting current behavior.

Narcissistic Personality Disorder

A mental disorder characterized by an inflated sense of self-importance, need for admiration, and lack of empathy for others.

Schizoid Personality Disorder

A personality disorder characterized by a long-term pattern of detachment from social relationships and a limited range of emotional expression.

Therapy Progress

The process of making positive changes and advancements through the course of psychological therapy.