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Suppose that the weight of apples eaten in a year by individual Australians can be described by a normal distribution with mean u = 6.8

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Suppose that the weight of apples eaten in a year by individual Australians can be described by a normal distribution with mean u = 6.8 kg and standard deviation o = 2.4 kg per year. For a random sample of n = 16 people, what is the standardised score, z-statistic, for a sample mean of of X tion =5.0 kg? Give your answer to only ONE (1) decimal place. Answer: -3

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