# One way ANOVA

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Problem...31

A manufacturer of batteries is considering three new battery designs. An attempt was made to determine whether the mean lifetime in hours is the same for each of the three designs.

Design A Design B Design C

78 112 115

98 99 101

88 101 100

96 116 120

Test to see whether the population means of the three populations are equal. Use a 95% level of confidence.

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##### Solution Summary

Step by step method for computing test statistic for One way ANOVA is given in the answer.

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