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

question 33

Multiple Choice

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.
-Referring to Scenario 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:

Thalamus

A small structure within the brain that relays motor and sensory signals to the cerebral cortex.

Sensory Relay Station

A term typically referring to the thalamus, a structure in the brain that serves as a hub for transmitting sensory information to the cerebral cortex.

Pituitary

A small, pea-sized gland located at the base of the brain, known as the "master gland," it regulates vital body functions and general wellbeing.

Pons

A part of the brain located above the medulla oblongata and below the midbrain, playing a crucial role in regulating breathing, communication between different parts of the brain, and sensations such as hearing, taste, and balance.