Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a 12 points. mean u = 70 points and standard deviation o = Round your answers to one decimal place. (a) Calculate the first- and third-quartile scores for this exam. Q1 points %3D Number Q3 = points Number (b) The middle 50% of the exam scores are between what two values?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a
mean u = 70 points and standard deviation o = 12 points.
Round your answers to one decimal place.
(a) Calculate the first- and third-quartile scores for this exam.
Q1
points
%3D
Number
Q3
points
Number
(b) The middle 50% of the exam scores are between what two values?
Enter your answers in increasing order.
The middle 50% of the exam scores are between Number
points and Number
points.
Transcribed Image Text:Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a mean u = 70 points and standard deviation o = 12 points. Round your answers to one decimal place. (a) Calculate the first- and third-quartile scores for this exam. Q1 points %3D Number Q3 points Number (b) The middle 50% of the exam scores are between what two values? Enter your answers in increasing order. The middle 50% of the exam scores are between Number points and Number points.
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