Consider the randomized block design with one missing value in Table 4-7. Analyze this data by using the exact analysis of the missing value problem discussed in Section 4-1.4. Compare your results to the approximate analysis of these data given in Table 4-8.

Table 4-7.

Table 4-8.

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Table 4-7 Randomized Complete Block Design for the Hardness Testing Experiment with One Missing Value Coupon (Block) Type of Tip 1 2 3 4 1 -2 -1 1 5 2 -1 -2 4 -3 -1 2 4 2 1 5 7