Averaging Grades

[NNNNOOOOONAN]

thanks for the help guys.

i came in here for help because i'm not good at doing these things without sitting down to figure them out and i was on my way out the door last night.

Nielso,

you're an idiot. if you're basing the state of american education on whether my girlfriend wasn't sure about how to do this, you're an even bigger idiot. she's not a math person. that's why she's not going to be a math teacher. she's a terrific piano player. that's why she's going to teach music. haven't you ever taken a class that you had no interest in taking and were unsure of how to do something? there's no difference.

and wow, there are a lot of morons in this thread.

anyway, i digress, thanks guys.

and bork, if you even need help actually becoming a winning poker player, let me know.

[Borodog]

Noonan,

There's something that the above (serious) replies neglected, which is that the maximum score on each type of assignment might not be identical. In fact, they usually aren't, unless the instructor has been careful to construct the grades that way. For example, if the tests are graded out of 100 points, but the quizzes only 20 points, the above formula will NOT work.

You need to convert all the scores to the same range, multiply them by their individual weights, and add up the result. The easiest way to convert all the grades to the same range is to just divide each score by the maximum possible score for that type of grade.

An example:

Tests: 45%, maximum test grade is 100 pts.
Quizzes: 20%, maximum quiz grade is 20 pts.
Participation/Attendance: 15%, Max participation/attendance grade is 10 pt.
Online Assignments: 10%, Max online Assignments grade is 100 pts.
Concert Reports: 10%, Max concert report is 5 pts.

Assume a student has an 85 test average, a 15 quiz average, a 10 part./att. grade, a 95 online grade, and a 4 concert report grade.

That student's final grade would be given by:

(85/100)*0.45 +
(15/20)*0.2 +
(10/10)*0.15 +
(95/100)*0.1 +
(4/5)*0.1 = 0.86 = 86%

[vhawk01]

[ QUOTE ]
Noonan,

There's something that the above (serious) replies neglected, which is that the maximum score on each type of assignment might not be identical. In fact, they usually aren't, unless the instructor has been careful to construct the grades that way. For example, if the tests are graded out of 100 points, but the quizzes only 20 points, the above formula will NOT work.

You need to convert all the scores to the same range, multiply them by their individual weights, and add up the result. The easiest way to convert all the grades to the same range is to just divide each score by the maximum possible score for that type of grade.

An example:

Tests: 45%, maximum test grade is 100 pts.
Quizzes: 20%, maximum quiz grade is 20 pts.
Participation/Attendance: 15%, Max participation/attendance grade is 10 pt.
Online Assignments: 10%, Max online Assignments grade is 100 pts.
Concert Reports: 10%, Max concert report is 5 pts.

Assume a student has an 85 test average, a 15 quiz average, a 10 part./att. grade, a 95 online grade, and a 4 concert report grade.

That student's final grade would be given by:

(85/100)*0.45 +
(15/20)*0.2 +
(10/10)*0.15 +
(95/100)*0.1 +
(4/5)*0.1 = 0.86 = 86%

[/ QUOTE ]

LOL (I'm assuming this is mocking)

[VarlosZ]

[ QUOTE ]
[ QUOTE ]
Noonan,

There's something that the above (serious) replies neglected, which is that the maximum score on each type of assignment might not be identical. In fact, they usually aren't, unless the instructor has been careful to construct the grades that way. For example, if the tests are graded out of 100 points, but the quizzes only 20 points, the above formula will NOT work.

You need to convert all the scores to the same range, multiply them by their individual weights, and add up the result. The easiest way to convert all the grades to the same range is to just divide each score by the maximum possible score for that type of grade.

An example:

Tests: 45%, maximum test grade is 100 pts.
Quizzes: 20%, maximum quiz grade is 20 pts.
Participation/Attendance: 15%, Max participation/attendance grade is 10 pt.
Online Assignments: 10%, Max online Assignments grade is 100 pts.
Concert Reports: 10%, Max concert report is 5 pts.

Assume a student has an 85 test average, a 15 quiz average, a 10 part./att. grade, a 95 online grade, and a 4 concert report grade.

That student's final grade would be given by:

(85/100)*0.45 +
(15/20)*0.2 +
(10/10)*0.15 +
(95/100)*0.1 +
(4/5)*0.1 = 0.86 = 86%

[/ QUOTE ]

LOL (I'm assuming this is mocking)

[/ QUOTE ]

Why would you assume that?

Anyway, In addition to what Boro said, I noticed that some college instructors who used a weighted grade system similar to the one in the OP would simplify the averaging process by grading the different parts of the class on the appropriate scale to begin with. So, for example, the tests would be graded 0-45, the quizes 0-20, etc. If the professor had enough forsight to do this, all you have to do is add up the various averages to get the total percentage from 0-100.

[ItalianFX]

[ QUOTE ]
Noonan,

There's something that the above (serious) replies neglected, which is that the maximum score on each type of assignment might not be identical. In fact, they usually aren't, unless the instructor has been careful to construct the grades that way. For example, if the tests are graded out of 100 points, but the quizzes only 20 points, the above formula will NOT work.

You need to convert all the scores to the same range, multiply them by their individual weights, and add up the result. The easiest way to convert all the grades to the same range is to just divide each score by the maximum possible score for that type of grade.

An example:

Tests: 45%, maximum test grade is 100 pts.
Quizzes: 20%, maximum quiz grade is 20 pts.
Participation/Attendance: 15%, Max participation/attendance grade is 10 pt.
Online Assignments: 10%, Max online Assignments grade is 100 pts.
Concert Reports: 10%, Max concert report is 5 pts.

Assume a student has an 85 test average, a 15 quiz average, a 10 part./att. grade, a 95 online grade, and a 4 concert report grade.

That student's final grade would be given by:

(85/100)*0.45 +
(15/20)*0.2 +
(10/10)*0.15 +
(95/100)*0.1 +
(4/5)*0.1 = 0.86 = 86%

[/ QUOTE ]

You're right. I was assuming all grades were out of 100, which is what you did, but one step backwards.

[MoP_86]

Is this whole thread a level?

[vhawk01]

[ QUOTE ]
Is this whole thread a level?

[/ QUOTE ]

Every time I am convinced it is someone posts something that makes me doubt it. Like I read OP, didnt think he was levelling, read the responses and his reubttal, figured he was, then read some outrage from OP, so maybe he isnt, read Boro's post, back to levelling, I really have no idea whats going on. I'm treating the whole thing like a level.

[kevin017]

i'm not positive whats going on here, but this thread makes me feel good about myself

[goofball]

Seriously, be smarter.

[tshort]

Borodog,

I am sure you have experience with this:

What is the procedure if the test averages are around 40%?