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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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Category:- Statistics and Probability
Reference No.:- M9367793

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