If the mean and variance of the data $65,68,58,44,48,45,60 , \alpha , \beta , 60$ where $\alpha > \beta$ are 56 and 66.2 respectively, then $\alpha ^ { 2 } + \beta ^ { 2 }$ is equal to
If the mean and variance of the data $65,68,58,44,48,45,60 , \alpha , \beta , 60$ where $\alpha > \beta$ are 56 and 66.2 respectively, then $\alpha ^ { 2 } + \beta ^ { 2 }$ is equal to