Pieces of vulcanite were examined according to porosity and

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Pieces of vulcanite were examined according to porosity and dimensional defects and the results are shown below. Test the hypothesis that the two criteria of classification are independent. Specify alpha.

With defect dimensions & Porous: 142

With defective dimensions & Nonporous: 331

Without defective dimensions & Porous: 1233

Without defective dimensions & Nonporous: 5099

Reference no: EM13603957

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