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Question 96761: Consider the following variables where one is the final exam score for a student on the departmental final exam and the other is his/her semester grade. Which of the following statements best describes their relationship to each other? In each case, explain why you exclude or include the choice.
-An individual's final exam score is a function of his or her semester grade.
-An individual's semester grade as a function of his/her final exam score.
-Each is a function of the other.
-Neither is a function of the other.
Answer by Edwin McCravy(20067)   (Show Source):
You can put this solution on YOUR website!
Consider the following variables where one is the final exam
score for a student on the departmental final exam and the
other is his/her semester grade. Which of the following
statements best describes their relationship to each other?
In each case, explain why you exclude or include the choice.
If y is a function x, then a corresponding value of y can
always be determined just by knowing a a value of x.
-An individual's final exam score is a function of his or
her semester grade.
False. You certainly cannot determine what a student's
final exam grade is just by knowing the semester grade.
-An individual's semester grade as a function of his/her
final exam score.
False. You cannot determine what a student's semester grade
is just by knowing the final exam score. (You would also
have to know the grades on other tests, quizzes, projects,
and homework.)
-Each is a function of the other.
Certainly not.
-Neither is a function of the other.
This is the only true statement of the four in normal cases.
[The first three would be true and the last one false
if and only if the only grade a student receives for the
semester is the grade made on the final exam. Incidentally
I took a graduate course once where this was the case!!]
Edwin
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