LSAT Scores the Admissions Officer for the Graduate Programs at the at the University

question 65

Essay

LSAT Scores
The Admissions officer for the graduate programs at the University of Pennsylvania believes that the average score on the LSAT exam at his university is significantly higher than the national average of 1,300.An accepted standard deviation for LSAT scores is 125.A random sample of 25 scores had an average of 1,375. ​ ​
-{LSAT Scores Narrative} Calculate the value of the test statistic and set up the rejection region at the 0.025 level.What is your conclusion?

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Definitions:

Clock Radio

An electronic device that combines the features of a clock with a radio, often used as an alarm.

Substantia Nigra

Black nuclear mass in the midbrain; involved in coordinating movement and maintaining muscle tone.

Basal Nuclei

A group of nuclei in the brain involved in the control of voluntary motor movements, procedural learning, and emotions.

Tegmentum

Floor of the midbrain.