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

question 64

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.
-Referring to Scenario 9-9,the president can conclude that there is sufficient evidence to show that the mean SAT score of the entering class this year is lower than previous years with no more than a 10% probability of incorrectly rejecting the true null hypothesis.

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Definitions:

Efficiency Gains

Improvements that increase the quality, speed, or productivity with which organizations can produce goods or services, often resulting in cost savings.

Full Employment

A situation in an economy where all available labor resources are being used in the most efficient way possible.

Net Efficiency

A measure of the effectiveness of an operation, typically calculated as the ratio of useful output to total input, factoring in losses and waste.

Remittances

Money sent by migrants to their home country, often to support family members.