A teacher informs her psyhcology class (of 500+ students) that a test was very difficult, but the grades would be curved. Scores on the test were normally distributed with a mean of 45 and a standard deviation of 6.9. The maximum possible score on the test was 100 points. Because of partial credit, scores were recorded with 1 decimal point accuracy. (Thus, a student could earn a 45.2, but not a 44.43.) The grades are curved according to the following scheme. Find the numerical limits for each letter grade. Interval Letter Scheme A Top 8% Scores above the bottom 71% В and below the top 8% Scores above the bottom 29% and below the top 29% Scores above the bottom 8% D and below the top 71% F Bottom 8% C.
A teacher informs her psyhcology class (of 500+ students) that a test was very difficult, but the grades would be curved. Scores on the test were normally distributed with a mean of 45 and a standard deviation of 6.9. The maximum possible score on the test was 100 points. Because of partial credit, scores were recorded with 1 decimal point accuracy. (Thus, a student could earn a 45.2, but not a 44.43.) The grades are curved according to the following scheme. Find the numerical limits for each letter grade. Interval Letter Scheme A Top 8% Scores above the bottom 71% В and below the top 8% Scores above the bottom 29% and below the top 29% Scores above the bottom 8% D and below the top 71% F Bottom 8% C.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A teacher informs her psyhcology class (of 500+ students) that a test was very difficult, but the grades
would be curved. Scores on the test were normally distributed with a mean of 45 and a standard deviation
of 6.9. The maximum possible score on the test was 100 points. Because of partial credit, scores were
recorded with 1 decimal point accuracy. (Thus, a student could earn a 45.2, but not a 44.43.)
The grades are curved according to the following scheme. Find the numerical limits for each letter grade.
Letter
Scheme
Interval
A.
Top 8%
Scores above the bottom 71%
and below the top 8%
Scores above the bottom 29%
and below the top 29%
Scores above the bottom 8%
and below the top 71%
F
Bottom 8%
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