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Unformatted text preview: H a : The variation is more than what is claimed, indicating the quality is much lower than expected. Upon computing the estimated variance S 2 based on n observations, then the statistic: χ ½ = [(n-1)S 2 ] / σ 2 has a Chi-square distribution with degree of freedom ν = n - 1. This statistic is then used for testing the above null hypothesis....
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This note was uploaded on 10/07/2011 for the course ECO 6416 taught by Professor Staff during the Spring '08 term at University of Central Florida.
- Spring '08