Consider the following data from two independent samples with equal population variances. Construct a 90% confidence interval
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Consider the following data from two independent samples with equal population variances. Construct a 90% confidence interval to estimate the difference in population means. Assume the population variances are equal and that the populations are normally distributed.
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68.7 75.1 s,-12.5 s2 = 11.8 nı = 10 112 = 14
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