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

question 95

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 highest level of significance at which the null hypothesis cannot be rejected is .

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Definitions:

Dominant Genes

Genetic traits that are expressed in the phenotype even when only one copy is present, overshadowing recessive genes.

Recessive Genes

Genes that are expressed in offspring only when inherited from both parents, as opposed to dominant genes, which are expressed when inherited from just one parent.

Genetically Inherited Factors

Characteristics and traits passed from parents to offspring through their genes.

Conj

Short for "conjunction," it is a logical connector indicating that two statements, terms, or conditions must be true simultaneously.