Reconsider the oxide thickness data in Exercise 7-29 and suppose that it is reasonable
Chapter 7, Problem 7-44(choose chapter or problem)
Reconsider the oxide thickness data in Exercise 7-29 and suppose that it is reasonable to assume that oxide thickness is normally distributed. (a) Compute the maximum likelihood estimates of and 2 . (b) Graph the likelihood function in the vicinity of and , the maximum likelihood estimates, and comment on its shape. (c) Suppose that the sample size was larger (n 40) but the maximum likelihood estimates were numerically equal to the values obtained in part (a). Graph the likelihood function for n 40, compare it to the one from part (b), and comment on the effect of the larger sample size.
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