Mathematics, 26.10.2019 04:43, dondre54

An izod impact test was performed on 20 specimens of pvc pipe. the sample mean is x overscript bar endscripts equals 1.14 and the sample standard deviation is s = 0.28. find a 99% lower confidence bound on the true izod impact strength. assume the data are normally distributed. round your answer to 3 decimal places. entry field with incorrect answer 1.319 less-than-or-equal-to

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An izod impact test was performed on 20 specimens of pvc pipe. the sample mean is x overscript bar e...