# Question

The experiment described in Exercise 15.23 was repeated, with the following results.

Combining these data with those of Exercise 15.23, perform an appropriate analysis of variance to test the null hypotheses involving fuels, launchers, replicates, and the fuel–launcher interaction. Use the 0.01 level of significance.

Combining these data with those of Exercise 15.23, perform an appropriate analysis of variance to test the null hypotheses involving fuels, launchers, replicates, and the fuel–launcher interaction. Use the 0.01 level of significance.

## Answer to relevant Questions

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