Independent random samples of size n1 n2500 were selected

Chapter 8, Problem 44

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Independent random samples of size n1 n2500 were selected from each of two populations. Themean and standard deviations for the two sampleswere x1 125.2, x2 123.7, s1 5.6, and s2 6.8.a. Find a point estimate for the difference in the twopopulation means. Calculate the margin of error.b. Based on the results in part a, can you conclude thatthere is a difference in the two population means?Explain.

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