I am going to help everyone for the next 5 hours on math, well i need to study and whats better than teaching to study =D so ask all your hardest questions here, il explain and show you answer and even you can get past papers for questions you dont get, Good Luck.
Some rules might be helpfull :-
Mean = Total X / Number of X
Mean of Frequency = Total X x F / Total F
Median = Numbers like 1, 3, 4, 5, 6, 7. you take the one in the middle, and if 2 meats then it is N1+N2/2
Mode = the most repeated number.
range = highest - Lowest (literary)
Percentage = well, who dos not know it!!??
A U B = Everything in A and B
A n B = what intersects in A and B
When you see the 1 on top of A or B it means, the things OUT of them
A(1) U B = What ever is out of A + b
and so on
Histogram
F.D = F/Class width
Cosine rule = Side1 = Side2(2) + Side3 (2) - (2 x Side1 X Side2 X angle between those sides.)
If you need any more just ask
Some rules might be helpfull :-
Mean = Total X / Number of X
Mean of Frequency = Total X x F / Total F
Median = Numbers like 1, 3, 4, 5, 6, 7. you take the one in the middle, and if 2 meats then it is N1+N2/2
Mode = the most repeated number.
range = highest - Lowest (literary)
Percentage = well, who dos not know it!!??
A U B = Everything in A and B
A n B = what intersects in A and B
When you see the 1 on top of A or B it means, the things OUT of them
A(1) U B = What ever is out of A + b
and so on
Histogram
F.D = F/Class width
Cosine rule = Side1 = Side2(2) + Side3 (2) - (2 x Side1 X Side2 X angle between those sides.)
If you need any more just ask