the new syllabus of p3 include correlation coefficient those. the formula (y=a+bx);a=sum y/num of yr-b sum of x/num of yr...
whether these formula will be provided in the question??
on the other hand, the part exponential smoothing in our textbook was hard for us to understand..can u explain to us what is the meaning and how to calculate it??
whether these formula will be provided in the question??
on the other hand, the part exponential smoothing in our textbook was hard for us to understand..can u explain to us what is the meaning and how to calculate it??