15.79 Ranking Cricket Batsmen A ranking of the batsmen in the top eight teams in the world was made by polling a number of professional coaches and sportswriters. This "true ranking" is shown below, together with "my ranking." 

a. Calculate r

b. Do the data indicate a positive correlation between my ranking and that of the experts? Test at the 5% level of significance.

Transcribed Image Text:

Batsmen A B C D E F G H True ranking 1 2 3 4 5 6 7 8 My ranking 3 14 5 2 8 6 7