Mathematics, 17.04.2020 02:05 lovely222
A random sample of size n 1 equals 31 results in a sample mean of 123.3 and a sample standard deviation of 8.5. An independent sample of size n 2 equals 50 results in a sample mean of 129.8 and sample standard deviation of 7.3. Does this constitute sufficient evidence to conclude that the population means differ at the alpha equals 0.01 level of significance?
Answers: 2
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A random sample of size n 1 equals 31 results in a sample mean of 123.3 and a sample standard deviat...
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