Packets with an advertised mean weight

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Nestor Milk Powder is sold in packets with an advertised mean weight of 1.5kgs. The standard deviation is known to be 0.184 kg. A consumer group wishes to check the accuracy of the advertised mean and takes a sample of 52 packets finding an average weight of 1.48 kgs.

Can they conclude the mean weight is statistically different from 1.5 kg?

In the answer box, type in the value from the z-test.

Reference no: EM132465256

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