Reply
 
LinkBack Thread Tools Search this Thread Display Modes
  #1   Report Post  
Posted to microsoft.public.excel.programming
external usenet poster
 
Posts: 76
Default How to Weight Grades vs. Averaging Student Grades

Hello Programmers,
I want to modify a grade-tracking sheet that scores students based on
points:

Assignments are entered into columns with possible point values in row
10, and students' points are entered below (each student on every
other row).

Formulas:
--Total points possible are in col. O: =SUMIF(AO14:AP14,"-.99",AO
$10:AP$10)
--Total points earned are in col. P: =SUMIF(AO14:AP14,"-.
99",AO14:AP14)
--Total averaged assignment %s earned are in col. Q:
{=IF(SUMIF($AO14:$AP14,"-1",$AO$10:$AP
$10)=0,"",SUMIF($AO14:$AP14,"-1",$AO14:$AP14)/SUMIF($AO14:$AP14,"-1",
$AO$10:$AP$10)*100)}

What I'd like is for assignments to somehow be weighted based on their
point value. For instance, say there are these assignments and
possible point values:

--Assign names in Row 9: Assign1 Project Report
Quiz UnitTest
--Assign points in Row 10: 10 25
20 50 100

So, there are 205 points possible. The formula above simply averages
scores together, but I want the 100 point assignment to = 48.78% of
the grade, the 50 point assign to = 24.39% of the grade, etc.

Also, not every student will do every assignment-there could be null
cells in the student rows.

Thanks very much
Arnold

  #2   Report Post  
Posted to microsoft.public.excel.programming
external usenet poster
 
Posts: 9,101
Default How to Weight Grades vs. Averaging Student Grades

Isn't it (Column P /Column O) ?

"Arnold" wrote:

Hello Programmers,
I want to modify a grade-tracking sheet that scores students based on
points:

Assignments are entered into columns with possible point values in row
10, and students' points are entered below (each student on every
other row).

Formulas:
--Total points possible are in col. O: =SUMIF(AO14:AP14,"-.99",AO
$10:AP$10)
--Total points earned are in col. P: =SUMIF(AO14:AP14,"-.
99",AO14:AP14)
--Total averaged assignment %s earned are in col. Q:
{=IF(SUMIF($AO14:$AP14,"-1",$AO$10:$AP
$10)=0,"",SUMIF($AO14:$AP14,"-1",$AO14:$AP14)/SUMIF($AO14:$AP14,"-1",
$AO$10:$AP$10)*100)}

What I'd like is for assignments to somehow be weighted based on their
point value. For instance, say there are these assignments and
possible point values:

--Assign names in Row 9: Assign1 Project Report
Quiz UnitTest
--Assign points in Row 10: 10 25
20 50 100

So, there are 205 points possible. The formula above simply averages
scores together, but I want the 100 point assignment to = 48.78% of
the grade, the 50 point assign to = 24.39% of the grade, etc.

Also, not every student will do every assignment-there could be null
cells in the student rows.

Thanks very much
Arnold


  #3   Report Post  
Posted to microsoft.public.excel.programming
external usenet poster
 
Posts: 638
Default How to Weight Grades vs. Averaging Student Grades

On Oct 17, 9:39 am, Arnold wrote:
Hello Programmers,
I want to modify a grade-tracking sheet that scores students based on
points:

Assignments are entered into columns with possible point values in row
10, and students' points are entered below (each student on every
other row).

Formulas:
--Total points possible are in col. O: =SUMIF(AO14:AP14,"-.99",AO
$10:AP$10)
--Total points earned are in col. P: =SUMIF(AO14:AP14,"-.
99",AO14:AP14)
--Total averaged assignment %s earned are in col. Q:
{=IF(SUMIF($AO14:$AP14,"-1",$AO$10:$AP
$10)=0,"",SUMIF($AO14:$AP14,"-1",$AO14:$AP14)/SUMIF($AO14:$AP14,"-1",
$AO$10:$AP$10)*100)}

What I'd like is for assignments to somehow be weighted based on their
point value. For instance, say there are these assignments and
possible point values:

--Assign names in Row 9: Assign1 Project Report
Quiz UnitTest
--Assign points in Row 10: 10 25
20 50 100

So, there are 205 points possible. The formula above simply averages
scores together, but I want the 100 point assignment to = 48.78% of
the grade, the 50 point assign to = 24.39% of the grade, etc.

Also, not every student will do every assignment-there could be null
cells in the student rows.

Thanks very much
Arnold


You need to divide the individual grades by the total sum of the
grades. For instance, if the grades you used in your example are in
A10, B10, C10, D10, and E10 respectively, you would use a formula such
as this to get the percentage the 100 grade is of the total:
=E10/SUM(A10:E10)

Reply
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules

Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
averaging a column of letter grades into a numeric GPA David Aukerman[_2_] Excel Worksheet Functions 3 September 22nd 09 08:31 PM
Grades Chi Excel Discussion (Misc queries) 2 September 2nd 09 04:28 PM
averaging class grades sally nbct ''02 New Users to Excel 2 December 29th 08 09:16 PM
average student grades billynolan New Users to Excel 4 September 8th 05 04:21 PM
Vlookup student grades Vicky Excel Discussion (Misc queries) 7 May 19th 05 01:19 PM


All times are GMT +1. The time now is 07:28 AM.

Powered by vBulletin® Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Copyright ©2004-2024 ExcelBanter.
The comments are property of their posters.
 

About Us

"It's about Microsoft Excel"