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June 18, 2015 at 6:40 pm
is the regression formulae given in the F5 exam?
it isn’t mentioned at the start of your course notes for F5…
John Moffat says
June 18, 2015 at 8:04 pm
I really do not know why you have posted this in the Paper F2 forum.
If you have read the lecture notes for Paper F5, you will have seen in the first paragraph of the relevant chapter that you cannot be asked calculations on regression analysis in Paper F5. For that reason you are not given the formulae – you cannot be expected to use them!
May 27, 2015 at 7:01 pm
Sir if you don’t mind can i get some quizs that something look like ex2?
because i read new formula from management accounting book sales in korea
so i want to proof it new formula is work
May 27, 2015 at 8:15 pm
Sorry, but I really do not know what you mean. If you have a book then surely the book will explain?
Otherwise you should watch the lecture again.
If the answers in your book do not make sense, then ask in the Ask the Tutor Forum for Paper F2,
(and I do assume that you have tried our practice test for Paper F2?)
May 27, 2015 at 8:35 pm
Sorry my Eng skill is really horrible x(
I have found other formula to slove the example2 and I am wondering whether the formula works or not so if you don’t mind can I get some quizzes like that?
May 5, 2015 at 9:01 pm
I’ve a confusion. You have placed this lecture within F5 also. Regression and Time Series are not part of F5. Right?
May 5, 2015 at 9:55 pm
For F5 this is assumed knowledge from Paper F2.
If you are studying F5 then I assume you will have been watching our lectures without free lecture notes in front of you (otherwise there is no point in watching the lectures). In that case you will have read the introductory paragraph in chapter 12 – especially the part in bold letters!
In future please do not ask about Paper F5 as a comment to a Paper F2 lecture.
March 31, 2015 at 8:55 pm
please disregard my question.
January 31, 2015 at 8:52 am
I have the same doubt as Sashen and the same seems to have been missed by you. 100s would mean we had to move 2 decimal places which you moved just 1. is there a specific reason or it was missed inadvertently.
January 31, 2015 at 10:43 am
The cost moves it three decimal places, and the units moves it two decimal places the other way
November 13, 2014 at 2:20 pm
please disregard/ delete this post…half of my post was cut off…….the full question is above…thanks
November 13, 2014 at 2:19 pm
Should the cost in 1000s on the 4th line in fact read 85 as opposed to 80? I am using the lecture notes from F5 but the above lecture from F2
Also, the answer in the back of the lecture notes show the answer as
y= 31.430 + 73.21x
Should this in fact read y=31,430 + 73.21x ? as per your answer in the lecture? (allowing for the variance in numbers due to the different value of the 4th line?
November 13, 2014 at 3:10 pm
The fourth line in the answer does read 85 and so your first question is puzzling me.
As regards the 31.430 – yes, indeed it should read 31,430 (and comparison with the high low equation confirms that). It is just a typing error.
Incidentally, if you are studying for Paper F5 then I do hope you read the first paragraph of the chapter. Calculations on regression analysis can no longer be asked – you can only be expected to be aware of the idea. It is only in F2 that calculations can be asked.
November 13, 2014 at 3:15 pm
I was referring to your answer in the lecture…your 4th line reads as 80 in the lecture.
Yes, I am aware of that…I was going through the example to gain a broad understanding of regression
Many thanks for the quick reply…much appreciated
November 10, 2014 at 3:21 pm
November 9, 2014 at 2:52 pm
I would like to know in the final Equation:
y = 32857 + 67.86x
I understand that 32.857 the decimal moved to the right because there was 3 zeros in the cost figure.
I would like to know why did 6.7857 only moved one decimal place ?
November 9, 2014 at 5:28 pm
It is because the units are in hundreds.
November 10, 2014 at 1:24 pm
I understand but I would assume that hundreds would move two decimal places since 100 has two zeros ?
October 26, 2014 at 9:12 pm
Great Explanation…Thanks alot Mr. John!
As i understand regression method is only to overcome the drawback of high low method, give the point that can approximately across all our observation…
Am i right Sir! as my understanding…
October 27, 2014 at 4:52 pm
Its more than that
Regression analysis is the most accurate way of finding the relationship between two variables (assuming that it is more or less linear). The high-low method is simply a quick approximation that can lead to very inaccurate results.
October 27, 2014 at 9:14 pm
and also this analysis is more accurate if the degree of correlation between x , y is high. Now i understand better after taking the next lecture….Thanks for your support.
September 30, 2014 at 6:57 pm
Interesting lectures. Very easy to understand. Thank you a lot Mr Moffat!
September 30, 2014 at 7:49 pm
You are welcome, Arnaud.
September 24, 2014 at 6:35 pm
Thank you very much for the lectures. I have been learning a lot since I started studying with OT and the most important it is that I am really enjoy doing it.
September 24, 2014 at 6:58 pm
Thats great, thank you
September 4, 2014 at 5:52 am
September 16, 2014 at 7:04 pm
Where did u get N=7 in Example 2???
September 16, 2014 at 8:11 pm
I assume that you had the example in front of you (in the free Course Notes that are needed to watch the lectures).
In which case you will se that there are 7 sets of observations – January through to July. N is the number of sets of observations.
September 24, 2014 at 2:19 pm
Thank you. My mistake
September 24, 2014 at 4:26 pm
No problem – you are welcome
August 21, 2014 at 10:44 pm
Hello, Mr. Moffat
I am trying to understand as to how you came across the way to get back the variable cost (b) and the fixed cost (a) back into its actual cost, as in if we never did the substituting to make the arithmetic quicker. Just to see if I was right, is this because if I transposed the formulae “y = a + bx” to suit ‘a’ and ‘b’, as in: a= y – b/x and b = y/x – a,
– in a’s case you would only have to multiply by 1000 because the ‘y’ costs in the formulae were not being divided by the ‘x’ units.
-and in b’s case you would have to multiply by 1000 (y costs) and also divide by 100 (x units) because ‘y’ was being divided by ‘x’. ?
August 22, 2014 at 6:58 am
That is correct
September 3, 2014 at 10:03 pm
Ohh, thank you Mr. Moffat :). I really appreciate what you are doing for us.
August 1, 2014 at 11:10 pm
Sorry sir it was an oversight on my part. I got it now, thank you.
July 24, 2014 at 8:27 am
sir, the part where b is calculated and the answer obtained in the calculator is 6.785714286 to how decimal places do we write it as the answer??
July 24, 2014 at 11:30 am
Usually 2 (so 6.79) unless the question says different.
(However, you will not be penalised if you write more decimal places!)
April 24, 2014 at 9:07 pm
Are the formulas for a & b provided in exam or do we have to learn them.?
April 25, 2014 at 9:40 am
They are given – you can find the formulae sheet at the front of the OpenTuition Course Notes.
November 17, 2013 at 1:43 pm
Dear Mr. John,
I don’t quite get why the final b is 67.86 instead of 678.6 because the units are in hundreds.
Please enlighten me.. thank you
November 17, 2013 at 1:44 pm
I’ve figured it out, thanks
March 4, 2014 at 5:21 pm
Please give me the trick am also lost
March 4, 2014 at 9:48 pm
It because the units are in hundreds and the costs are in thousands. So we need to multiply by 1000 and divide by 100.
March 18, 2014 at 10:08 pm
Got it. thanks a lot.
March 19, 2014 at 4:42 am
September 3, 2013 at 11:28 am
Is public perception matter in the authorization for any post of a organization??????????
October 24, 2013 at 5:59 am
This has nothing to do with Paper F2/FMA !
I suggest that you ask yor question in the relevant forum.
September 2, 2013 at 1:50 pm
Hi, why open tuition have not video lecture for MA1 and FA1?
How often time video lectures are up grated and when….?
September 2, 2013 at 3:46 pm
I have answered your first question below.
As far as upgrading is concerned, the lectures and notes are reviewed every six months and are updated whenever there is a change in the syllabuses.
September 2, 2013 at 1:47 pm
Hi, open tuition haven’t video lecture for MAI and FA1.
And…..,your video lectures are very supportive for us but they may be more supportive if simple and easy wording used in them. Thanks.
September 2, 2013 at 3:45 pm
No – there are no video lectures for MA1 and FA1. We only introduced course notes for these papers recently – if there is the demand then we will produce video lectures when we have the time available.
With regard to the wording, these lectures were recorded in a class of non-English students and the words used are very much the words that are used in the exams.
August 27, 2013 at 4:10 pm
Hmmmm! Interesting lecture by Mr. John, Though am not doing ACCA for now but I must admit that it’s wonderful and educative to me.
May 27, 2013 at 5:09 am
lol Mr John, you are funny in the class room! I remember when I took that lesson in F2 I was going to real classes not online and the tutor simply asked us to open the book and solve the formula without any explanation and the formula actually looks scary but it is easy if it is explained because it is nothing but working out numbers! I studied it on my own at home later and I knew it is simple but he had to explain what these symbols mean!!! I didn’t even know what sigma means, how am I supposed to solve it!!!
May 27, 2013 at 6:29 am
May 27, 2013 at 3:00 pm
It is us who should thank you Mr John!
May 19, 2013 at 1:33 pm
Thanks alot for the lectures. They are very helpful. But i guess the total of Y should be 425000 and the total of X*Y should be 190500000.
May 19, 2013 at 5:16 pm
The totals in the lecture are correct. Are you sure that you have got the correct numbers for each of the Y’s, because the total does come to 420. (OK it is really 420,000 but it is more sensible to work in ‘000’s – it makes the arithmetic quicker and does not affect the answer.)
May 30, 2013 at 6:43 am
By the way, do we have to study the Regression Analysis? Because I thought they removed it from the syllabus.
May 30, 2013 at 8:56 am
As it says in the Course Notes, although regression is no longer listed in the syllabus, it is still assumed knowledge from Paper F2. You will not be asked calculations but you are still expected to be aware of the idea.
August 22, 2013 at 8:57 pm
actually sdmaalex is correct about the total Y’s being 425, because April Cost is 85000 not 80000 in the course notes, Thats why he/she came up with that total. But really good lecture and thanks
April 19, 2013 at 10:23 am
Why didnt we do the same with the b;that is multiplying it with 1000 and then devide by 100?it kind of confuses me.
April 19, 2013 at 5:30 pm
Did you really mean ‘b’ (the variable cost per unit)? If you did, then see my answer to this below.
If you meant to type ‘a’ (the fixed cost) then we only need to multiply by 1000 because the costs were in thousands. (We do not need to divide by 100 because we are not multiplying ‘a’ by the units (which are in 100’s).
March 30, 2013 at 9:53 am
Is this John in action? Thank you again for the lectures. You are awesome!
March 30, 2013 at 5:14 pm
Yes it is, and thank you very much
March 7, 2013 at 4:24 pm
Why is Variable cost per unit only multiplied by 10 instead of 100 from 6.7857 to 67.86 ?
The costs are in thousands, and so we multiply by 1,000. But then the units are in hundreds, so we divide by 100.
November 28, 2012 at 6:44 pm
November 28, 2012 at 7:19 pm
@latoyah, You are welcome
March 5, 2013 at 9:17 pm
I have Heard today they have removed, correlation, regression, n time series from tha june 2013 syllabus n have added another chapter, Could you please let us know about it. it was just recent update
May 10, 2013 at 1:56 am
is this true ?
May 10, 2013 at 4:53 am
The syllabus change was announced last year – you can see the new syllabus and the changes on the ACCA website, there are many posts on our website about it, and of course there is a big article in the Student Accountant.
Correlation and regression, and time series have indeed been removed from the syllabus because they are assumed knowledge from Paper F2. The examiner has said that you will not be asked for calculations although you are still expected to know what the topics are.
Basic variances have also been removed – again because they are assumed knowledge – however you can still be asked calculations of basic variances and also understanding the rules for basic variances is necessary to be able to do planning and operational variances.
November 28, 2012 at 6:43 pm
This had looked really hard before but now i finally understand it. I still hope it dont come on the F5 paper
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