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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 president can conclude that the mean SAT score of the entering class this year is lower than previous years using a level of significance of 0.10.
Irrational Fear
Describes an excessive or unreasonable sense of fear or dread regarding something that poses little to no actual danger.
Phobia
An extreme or irrational fear of or aversion to something.
Phobia
An intense, irrational fear of specific objects, situations, or activities that leads to avoidance behavior and significant distress or impairment in functioning.
Irrational
Pertaining to thoughts or actions not based on reason or logic.
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