Physics, 03.07.2019 01:30 cuscuecer16
The shear strength of each of ten test spot welds is determined, yielding the following data (psi). 362 409 375 389 358 367 375 365 390 415 (a) assuming that shear strength is normally distributed, estimate the true average shear strength and standard deviation of shear strength using the method of maximum likelihood. (round your answers to two decimal places.) average psi standard deviation psi (b) again assuming a normal distribution, estimate the strength value below which 95% of all welds will have their strengths. [hint: what is the 95th percentile in terms of μ and σ? now use the invariance principle.] (round your answer to two decimal places.) psi
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The shear strength of each of ten test spot welds is determined, yielding the following data (psi)....
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