Table 19-3: Simulated Data for Time in Seconds (X) that Horses Run the Kentucky Derby Decomposed into the Genetic (g) and Environmental (e) Deviations from the Population Mean

Horse	Population mean	^g	Trainer	e	x	X
Secretariat	123	−2	Lucien	−2	−4	119
Decidedly	123	−2	Horatio	−1	−3	120
Barbaro	123	−1	Mike	−1	−2	121
Unbridled	123	−1	Carl	0	−1	122
Ferdinand	123	0	Charlie	0	0	123
Cavalcade	123	1	Bob	0	1	124
Meridian	123	1	Albert	1	2	125
Whiskery	123	2	Fred	1	3	126
Gallant Fox	123	2	Jim	2	4	127
Mean (sec)	123	0		0	0	123
Variance (sec²)		2.22		1.33	6.67	6.67