Question: Please help with this question Problem 3. Rewrite the models below in the matrix form Y = XO + E. Find the rank of design

Please help with this question

Problem 3. Rewrite the models below in the matrix form Y = XO + E. Find the rank of design matrix X and calculate the inverse of X'X if it is of full rank. (1). Consider the model Yi = Bot Bizit ci where i = 1, ..., n. (2). Consider the model Yij = p+ Qi + Eij where for i = 1, ..., k, treatment i has replication r. To be more specific, consider the case of two treatments, each replicated twice

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