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

question 102

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,what critical value should the president use to determine the rejection region?

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Definitions:

John Maynard Keynes

A UK-based economist whose theories revolutionized both the practice and understanding of macroeconomics as well as state economic policies.

Liquidity Trap

A situation in an economy where interest rates are low or near-zero, causing monetary policy to become ineffective in stimulating the economy.

Speculative Demand

Demand for an asset not for its intrinsic value or use, but for the expectation of selling it at a higher price in the future to make a profit.

Created Money

Money that has been generated through the banking system's lending processes, beyond the base money originally introduced into the economy.