Consider the Method 3 estimates of s2 0 and s2 1 in Example 12.9.1. (a) Show that these are also the REML estimates. (b) Show that the vector (Y Y,Y MZY, J Y) is a complete sufficient statistic for the balanced one-way random effects model. (c) Show that the Method 3 estimates are minimum variance unbiased. (d) Find the distributions of SSTrts and SSE. (e) Find a generalized likelihood ratio test of level a for H0 : s2 1 = 0

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