The mathematical aptitude score (MAS) of ten computer programmers with job performance rating (JPR) is given below.Calculate Spearman's rating of rank correlation and state whether those who have aptitude for maths are likely to be better programmers.
Person A B C D E F G H I J
MAS 2 5 0 4 3 1 6 8 7 9
JPR 8 16 8 9 5 4 3 17 8 12