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Industrial Statistics with Minitab by Xavier Tort-Martorell Llabres, Lluis Marco Almagro, Pere Grima Cintas

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10.2 Comparison of Two Variances

Stat > Basic Statistics > 2 Variances

We apply this test to the tensile strength data in Example 10.1, although we already observed that the sample variances are practically equal and thus this suggests that the test of equality of variances will not be rejected.

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