The PRC board examination has a mean score of 500 points. A review center promises to improve scores on the examination. Assuming that 625 persons enrolled the

MATLAB: An Introduction with Applications
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The PRC board examination
has a mean score of 500
points. A review center
promises to improve scores
on the examination. Assuming
that 625 persons enrolled the
review center have a mean
score of 493 points with a
standard deviation of 18.9
points. Will the review center
hold its claim at alpha 0.01?
%3D
Note: Explicitly perform all
necessary steps in
hypothesis testing
Transcribed Image Text:The PRC board examination has a mean score of 500 points. A review center promises to improve scores on the examination. Assuming that 625 persons enrolled the review center have a mean score of 493 points with a standard deviation of 18.9 points. Will the review center hold its claim at alpha 0.01? %3D Note: Explicitly perform all necessary steps in hypothesis testing
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