A manufacturer needs to compare two vendors - in particular, the variance of a critical dimension of a part supplied is

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answerhappygod
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A manufacturer needs to compare two vendors - in particular, the variance of a critical dimension of a part supplied is

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A manufacturer needs to compare two vendors - in particular, thevariance of a critical dimension of a part supplied is to becompared. An appropriate test would be
A. chi-squared test
B. matched sample t test
C. an F test
D. test of difference of proportions of two samples
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