A mathematics placement test is given to all entering freshmen at a small college. A student who receives a grade below 35 is denied admission to the regular mathematics course and placed in a remedial class. The placement test scores and the final grades for 20 students who took the regular course were recorded. Find: (1) Plot a scatter diagram. (2) The equation of the regression line to predict course
A mathematics placement test is given to all entering freshmen at a small college. A student who receives a grade below 35 is denied admission to the regular mathematics course and placed in a remedial class. The placement test scores and the final grades for 20 students who took the regular course were recorded. Find: (1) Plot a scatter diagram. (2) The equation of the regression line to predict course
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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A mathematics placement test is given to all entering freshmen at a small college. A student who receives a grade below 35 is denied admission to the regular mathematics course and placed in a remedial class. The placement test scores and the final grades for 20 students who took the regular course were recorded.
Find:
(1) Plot a
(2) The equation of the regression line to predict course grades from placement test scores.
(3) If 60 is the minimum passing grade, below which placement test score should students in the future be denied admission to this course? (See attached picture.)
Transcribed Image Text:Placement Test
Course Grade
50
53
35
41
35
40
61
56
55
68
65
36
35
11
60
70
90
79
35
59
90
54
80
91
60
60
48
71
60
71
40
47
55
53
50
68
65
57
50
79
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