设 [tex=14.714x1.786]aLaCiMeQxrqYpBwEkSlxSPLPSo1EH2oH8rwf3Qv+HBI/FWokk4L6KpujeyzBfq3y8W0xRrAzImW/bCJUquHScBAmZGYmjgCv8GNS5NjcIG8=[/tex] ,通常称之为 [tex=0.857x1.286]h9C4nePGcGllh55hxKIsUw==[/tex] 关于 [tex=0.857x1.0]N7iCrOsS+NNEUUlnsYCi1g==[/tex] 的条件方差. 证明[p=align:center][tex=14.929x1.571]Skbn46H81ffrPlattEfBRmBUH3Uh2BAEWdxBW4yr4apix/DQZHgkC/zKk6CLWA2jaJUN2R0MkOF9Ys097vZyTw==[/tex]
设 [tex=14.714x1.786]aLaCiMeQxrqYpBwEkSlxSPLPSo1EH2oH8rwf3Qv+HBI/FWokk4L6KpujeyzBfq3y8W0xRrAzImW/bCJUquHScBAmZGYmjgCv8GNS5NjcIG8=[/tex] ,通常称之为 [tex=0.857x1.286]h9C4nePGcGllh55hxKIsUw==[/tex] 关于 [tex=0.857x1.0]N7iCrOsS+NNEUUlnsYCi1g==[/tex] 的条件方差. 证明[p=align:center][tex=14.929x1.571]Skbn46H81ffrPlattEfBRmBUH3Uh2BAEWdxBW4yr4apix/DQZHgkC/zKk6CLWA2jaJUN2R0MkOF9Ys097vZyTw==[/tex]
1