5 To test the claim that the resistance of electric wire can be reduced by more than 0.050 ohm by alloying, 32 values obtained for standard wire yielded a mean of 0.136 ohm and a s.d of 0.004 ohm and 32 values obtained for alloyed wire yielded a mean of 0.083 ohm with a s.d of 0.005 ohm. At the 0.05 level of significance does this support the claim?
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