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

question 73

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 null hypothesis would be rejected if a 1%
probability of committing a Type I error is allowed.

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Definitions:

Systematic Desensitization

A behavioral therapy technique used to reduce phobic or anxiety responses through gradual exposure to the feared object or situation, paired with relaxation exercises.

Stimulus Generalization

The tendency for the conditioned response to be evoked by stimuli that are similar to the stimulus that was originally conditioned.

Operant Conditioning

A method of learning that employs rewards and punishments for behavior, which leads to changes in behavior.

Extrinsic Rewards

Benefits and incentives provided by external factors, such as money, grades, or praise, which motivate behavior not inherently enjoyable.