Question: Independent random samples from two regions in the same area gave the following chemical measurements (ppm). Assume the population distributions of the chemical are mound-shaped

Independent random samples from two regions in the same area gave the following chemical measurements (ppm). Assume the population distributions of the chemical are mound-shaped and symmetric for these two regions. Region I: x1; n1 = 12 430 556 906 887 788 590 433 728 822 641 865 871 Region II: x2; n2 = 16 961 639 522 984 846 772 757 1010 994 729 437 471 427 794 473 478 Let 1 be the population mean for x1 and 2 be the population mean for x2. Find a 90% confidence interval for . Round your answer to two decimal places. Group of answer choices -122.17 to 129.92 -136.80 to 129.05 -133.62 to 125.87 -125.87 to 133.62 -129.05 to 136.80

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