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PMCC on a calculator

can anyone tell me how to do PMCC on a casio calculator please? i'm really stuck and i can't find anything on the internet :frown:

thx!

Reply 1

Kolya

17

What Casio calculator do you have?

Reply 2

7589200

18

Go to 'Stat' - Option 2 on the menu. Enter the values in. Make sure each row has both values filled, if not delete that row. Now press CALC (F2) then REG (F3) and finally X (F1). That should work - it does on the fx-7400G.

Reply 3

linksys

OP

i've got a fx-83wag. i dont know how to put the two values in for x and y. i can use it to work out mean and standard deviation but that only has one set of values.

Reply 4

mp4489

Put it into Linear regression mode by the way Vazzy described, and then write an x value, press the comma button and then the y value, then enter it in as data. You can then get to the PMCC.

Reply 5

linksys

OP

yeah! thats it! wooo hooo thanks so much! ^^

Reply 6

Teh Wise 1

Yesss works for me too, Maths A lvl tomorrow lol. I have fx-9750G PLUS. It was the same way. Calc > Reg > X > and r is the answer!

Reply 7

Poustevnik

This might be an amateur move, but I can get into the x y fields to fill in the data, but after that, I am stuck. I can't find CALC so I can't get the result of the equation. Could someone help out with button references on the casio calculators?

Reply 8

Lawis

I know this is a little bit of a bump, but its the same question i would be asking anyways, so saves making another thread,

Right now i'm looking at a table with X and Y values and its asking me to find the PMCC, and its 9 Marks,

I can do it on my calculator easy, but will i still get full marks?

Reply 9

Lawis

Also would it make any difference if i was to put these:

Sum of X
Sum of Y
Sum of X^2
Sum of Y^2
Sum of XY

Thanks in advance

Reply 10

Thrug

3

A calculator has a special button lol :O

That was news to me, we just get taught the formula :wink:

Reply 11

dknt

12

Original post by Lawis

I know this is a little bit of a bump, but its the same question i would be asking anyways, so saves making another thread,

Right now i'm looking at a table with X and Y values and its asking me to find the PMCC, and its 9 Marks,

I can do it on my calculator easy, but will i still get full marks?

Exam boards are beginning to realise the potential of calculators. On a recent core 3 paper, the mark scheme clearly stated for some question that "No working scores no marks" despite a right answer.

Reply 12

Lawis

Ahh i see :/

Well at least the sum of X^2 and all those will save time, but its soooo helpful to be able to just put in Y's and X's, and get out r A or B lol

PMCC on a calculator

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