Question

A tennis coach believes that taller players are generally capable of letting faster serves. to investigate this hypothesis he collects data on 20 adult male players he coaches. The height h,in a matter and the speed of each player faster serve,v in km per hour were recorded and summarized as follows
h=36.22
v=2275
h2=65.7396
V2=259853
HV=4128.03
Calculate the pearson moment correlation coefficient for these data
2. comment on the which hypothesis