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Mathematics, 18.11.2019 18:31 jfif

Asample of 17 joint specimens of a particular type gave a sample mean proportional limit stress of 8.45 mpa and a sample standard deviation of 0.74 mpa. (a) calculate and interpret a 95% lower confidence bound for the true average proportional limit stress of all such joints. (round your answer to two decimal places.)

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