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regression analysis

Forums › Ask ACCA Tutor Forums › Ask the Tutor ACCA MA – FIA FMA › regression analysis

  • This topic has 3 replies, 2 voices, and was last updated 1 year ago by tushargujral.
Viewing 4 posts - 1 through 4 (of 4 total)
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  • March 5, 2021 at 11:20 am #613505
    tushargujral
    • Topics: 63
    • Replies: 93
    • ☆☆

    example 1 from the notes

    sir, I am getting the answer if I don’t do units in 100 like 1,4,2,7… so on

    what i took was 100,400,200,700..

    and while calculating A, I was getting the negative value I did it first without watching earlier because I have done basic regression in college. but why does it coming negative I checked my calculations also the calculations are correct

    March 5, 2021 at 11:25 am #613507
    tushargujral
    • Topics: 63
    • Replies: 93
    • ☆☆

    is it because the values of cost are in 000. so should I take both values to the true one like cost 40,000;65,000 and units in 100,400,200

    March 5, 2021 at 2:22 pm #613527
    John Moffat
    Keymaster
    • Topics: 57
    • Replies: 49602
    • ☆☆☆☆☆

    It makes no difference whether you use the full number of units or not. The value of ‘a’ will still be positive for this question and you must have made a mistake in your calculations (but I cannot tell you where the mistake is because I do not have your calculations to look at).

    March 6, 2021 at 4:48 am #613672
    tushargujral
    • Topics: 63
    • Replies: 93
    • ☆☆

    I did it trice now I found out it was just a mistake of 0.
    I was calculating 0.6785×2800 instead it should be 0.06785.

    now I get it sir thank you for helping me out.

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