Question: We have two data sets. m1 = 18.6, se1 = 0.5; m2 = 21.1, se2 = 0.9. Choose alpha = 0.05. State null hypotheses. Are

We have two data sets. m1 = 18.6, se1 = 0.5; m2 = 21.1, se2 = 0.9. Choose alpha = 0.05. State null hypotheses. Are the two means statistically the same? All calculation and write conclusion

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