Question: 1. (B) Construct a 95% percent confidence interval for the difference between two population means using the following sample data that have been selected from

1. (B) Construct a 95% percent confidence interval for the difference

1. (B) Construct a 95% percent confidence interval for the difference between two population means using the following sample data that have been selected from normally distributed populations with different population variances: Sample 1 Sample 2 473386 406|379 349 359 346395 346 438 391 328 398 401 411 384 388 388 456429|363 437 388|273

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