Solve the system by triangularizing the augmented matrix and using back substitution. If the system is linearly dependent, give the solution in terms of a parameter. 
Definitions:
Randomized Block Design
An experimental design that groups subjects into blocks based on certain characteristics before randomly assigning treatments, to reduce the variability within treatment conditions.
Degrees of Freedom
The number of independent values in a calculation that are free to vary when estimating statistical parameters.
Randomized Block Design
An experimental design in which subjects are grouped into blocks based on certain characteristics before being randomly assigned to different treatments.
Sum of Squares for Blocks
A measure used in analysis of variance to quantify the variability among different blocks or groups in an experiment.
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