If i have a yearly value of tickets delivered on time 5395 and total tickets 6977. the percentage is 77.33% If i then break down every month and get the percentage of every each month and add these percentage values and divide by 12 i dont get the same average value. is that correct?
Jan 434/916 = 0,47
Feb 485/689 = 0,70
Mar 527/659 = 0,80
April 471/617 =0,76
May 491/596 = 0,82
Jun 543/607 = 0,89
Jul 345/398 = 0,87
Aug - 504/603 = 0,84
Sep - 506/602 = 0,84
Oct - 493/605 = 0,81
Nov - 466/537 = 0,87
Dec 130/148 = 0,88
Average is 0,80
And with total year 5395/6977 = 0,77