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

question 16

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,the lowest level of significance at which the null hypothesis can still be rejected is .

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Definitions:

Memories

Stored information or experiences in the brain that can be recalled or recognized from past events.

Emotional Experiences

Subjectively perceived feelings and responses related to mood, temperament, personality, and motivation.

American History

The study of the events, people, and movements that formed and shaped the United States from its beginnings to the present.

Aggressive Behavior

Actions or behaviors that are intended to cause harm or injury to others, often as a manifestation of anger or hostility.