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

question 4

Short Answer

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,state the null hypothesis for this study.

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Definitions:

Frontal Lobes

The portion of the cerebral cortex behind the forehead, involved in personality, intelligence, and the control of voluntary muscles.

Hippocampus

The structure in the limbic system that has a special role in the storage of memories.

Hypothalamus

A small forebrain structure, located just below the thalamus, that monitors three pleasurable activities—eating, drinking, and sexual behavior—as well as emotion, stress, and reward.

Parietal Lobes

Structures at the top and toward the rear of the head that are involved in registering spatial location, attention, and motor control.