For the crossover study summarized, fit the model where {ui(k)} are independent N(0, σ2). Interpret {βˆt} and σˆ. Compare interpretations and estimates of βB − βA and βC − βA and their SE values to...

For the crossover study summarized, fit the model

where {ui(k)} are independent N(0, σ2). Interpret {βˆt} and σˆ. Compare interpretations and estimates of βB − βA and βC − βA and their SE values to those using the marginal model.