# ACCA F2 Revision part 9c Regression

#### Index of all ACCA Paper F2 Management Accounting / FIA FMA Revision Lectures >>

1. says

hy,
in question (B) you have given the answer as 0.977 but i am getting it as 95.2

(7*187000)-(2800*420)=133000 (as you stated in the answer

*?[(7*1,400,000)-(2800*2800)]-[(7*26550)-(420*420)]=1396.6 but you wrote 136096

thanks

2. says

Sir, the question in the revision kit for this chapter..
a) why is the answer : y = 32.84 – 0.0679x and not : y = 32.84 + 0.0679x? for i got a positive answer for b.

Other than that. how do we know how many decimal places should we use in the exams as the b produces the answer of 0.067857142? Same goes to question c) as it results to 0.9554529 (95.5% in percentage) Please help. I’m very confused.

• says

The answer is y = 32.84 + 6.79x
(b is positive)

The answers to all the examples are at the back of the course notes.

The exam will make it clear how many decimal places are required.

• says

Yes, I do know b is positive (because that’s what I got) but I don’t get why the equation of y = a+bx that you wrote in bold is y = 32.84 – 0.0679x.

• says

Where in this lecture have I written that in bold? I cannot see it anywhere!!

• says

In the revision notes.

• says

Now I have found it!

Sorry – it is a typing error, I will have it corrected.
(The same example is used in the full Course Notes and lecture, and there it is typed correctly)

• says

its just a revision lecture…the full length lecture is in the “lectures: category