Mathematics, 05.07.2020 14:01 psychocatgirl1
The shear strength of each of ten test spot welds is determined, yielding the following data (psi).389 405 409 367 358 415 376 375 367 362Required: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. b. Again assuming a normal distribution, estimate the strength value below which 95% of all welds will have their strengths. c. Suppose we decide to examine another test spot weld. Let X = shear strength of the weld. Use the given data to obtain the mle of P(X ≤ 400).
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The shear strength of each of ten test spot welds is determined, yielding the following data (psi).3...
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