Question: 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

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 1 473 386 406 379 346 438 3 328 388 388 456 429 Sample 2 349 359 346 395 398 40 384 363 437 388 273

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