Mathematics, 22.07.2021 21:50 kadinmorgan
Independent simple random samples are selected to test the difference between the means of two populations whose standard deviations are not known. We are unwilling to assume that the population variances are equal. The sample sizes are n1 = 25 and n2 = 35. The correct distribution to use is the:
1) t distribution with 59 degrees of freedom.
2) t distribution with 58 degrees of freedom.
3) t distribution with 61 degrees of freedom.
4) t distribution with 60 degrees of freedom.
Answers: 1
Mathematics, 21.06.2019 13:10, cheylee123456
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Independent simple random samples are selected to test the difference between the means of two popul...
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