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5. For two independent simple random samples from two populations, the following are the sample sizes and the sample standard deviations: n1 = 25, S1

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5. For two independent simple random samples from two populations, the following are the sample sizes and the sample standard deviations: n1 = 25, S1 = 12.04, n2 = 21, S2 = 11.25 At 10% level of significance, test if the standard deviation of the first population is more than that of the second population

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