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l. A manufacturer of canned food is defending a case of alleged 'unfair trading'. The labels state 'average contents 430g'. A random sample of 64
l. A manufacturer of canned food is defending a case of alleged 'unfair trading'. The labels state 'average contents 430g'. A random sample of 64 tins showed a mean contents weight of 426g with a standard deviation of 11 g. Use a hypothesis test to make a decision as to whether the manufacturer's label is justified or not
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