An experiment to compare the lifetimes of four different brands of spark plug was carried out. Five plugs of each brand were used, and the number of miles until failure was recorded for each. Following is part of the MINITAB output for a one-way ANOVA.

Fill in the missing numbers for (a) through (f) in the table. You may give a range for the P-value.

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One-way Analysis of Variance Analysis of Variance Source Brand Error Total DF 3 (b) 19 SS 176.482 (c) 235.958 MS (a) (d) (e) (f)