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Weighted Average (workout)

  • 05-02-2015 7:28pm
    #1
    Jamie2k9
    Registered Users, Registered Users 2 Posts: 10,803 ✭✭✭✭


    How do you work out your expect average basing it on results you expect achieve basing it on 3 10 credit modules and 5 5 credit modules.


Comments

  • #2
    paulbok
    Registered Users, Registered Users 2 Posts: 5,068 ✭✭✭paulbok


    I hope maths isn't one of the results you got.


  • #3
    G_R
    Moderators, Education Moderators Posts: 5,028 Mod ✭✭✭✭G_R


    Multiply your 10 module results by 10, you 5 credit module results by 5, and them all together, then divide this number by the total number of credits (usually 60). That's your weighted average.


  • #4
    Polar Ice
    Registered Users, Registered Users 2 Posts: 857 ✭✭✭Polar Ice


    I thought this thread was going to be about workouts.

    How do so many people not know weightings?
    10 pounds is twice as heavy as 5 pounds.
    Your 10 credit modules are worth twice as much as your 5 credit ones.


  • #5
    Jamie2k9
    Registered Users, Registered Users 2 Posts: 10,803 ✭✭✭✭Jamie2k9


    Grand_Rajnah wrote: »
    Multiply your 10 module results by 10, you 5 credit module results by 5, and them all together, then divide this number by the total number of credits (usually 60). That's your weighted average.

    Think the other day we were told that your 5 credit module results are divided in half before they are calculated?


  • #6
    G_R
    Moderators, Education Moderators Posts: 5,028 Mod ✭✭✭✭G_R


    Jamie2k9 wrote: »
    Think the other day we were told that your 5 credit module results are divided in half before they are calculated?

    Well halving your 5 credit results and then adding them all together with your 10 credit results and getting an average of them all would give you the same answer provided you only have 5 and 10 credit modules - the method I posted allows you work it out regardless of what way the credits are assigned to your modules.

    Either method will work in this case.


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