Construct a 95% percent confidence interval for the difference between two population means using the following sample

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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 2 473 386 406 379 349 359 346 395 346 438 391 328 398 401 411 384 388 388 456 429 363 437 388 273

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Business Statistics A Decision Making Approach

ISBN: 9780136121015

8th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry, Kent D. Smith

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