# We manufacture on a machine in our factory balls we

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Unformatted text preview: say that we have the following situation. We manufacture on a machine in our factory balls. We would like to estimate the average diameter. From previous measurements we know that the standard deviation is σ = 0.01 in. We adjusted the machine, and we would like to see what (average) diameter the produced balls have. Assumption: we assume that the distribution of the balls is normal (which is reasonable; see later more about the Central Limit Theorem and the normal distribution). Therefore, we assume that the diameter of balls is described by X ∼ N (µ, 0.012 ). We want to determine µ. Es. The statistics (estimator) To ﬁnd a CI for...
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## This note was uploaded on 02/05/2014 for the course MATH 3339 taught by Professor Staff during the Fall '08 term at University of Houston.

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