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The Following Information Was Obtained from Independent Random Samples Taken

question 48

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The following information was obtained from independent random samples taken of two populations. Assume normally distributed populations with equal variances. The following information was obtained from independent random samples taken of two populations. Assume normally distributed populations with equal variances.   ​ The 95% confidence interval for the difference between the two population means is (use rounded standard error)  A)  -5.344 to 11.344. B)  -5 to 3. C)  -4.86 to 10.86. D)  -2.65 to 8.65.
The 95% confidence interval for the difference between the two population means is (use rounded standard error)


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