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

question 108

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.
-True or False: 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:

Freud

Sigmund Freud, originating from Austria and known for creating the psychoanalytic method, treated mental illnesses by facilitating discussions between a psychoanalyst and the patient.

Libido

A term used in psychoanalytic theory to denote the energy of the sexual drive as a component of the life instinct.

Infant

A very young child or baby, typically under the age of one year, at the earliest stages of development.

Sensations

The initial process of detecting and encoding environmental stimuli through the senses.