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5. Independent random samples from normal populations produced the results shown below. Assume the variance of the two samples are the same. Sample 1: 5.8, 5.1, 3.9, 4.5, 5.4 Sample 2: 4.4, 6.1, 5.2, 5.7 (1) Can we conclude that u] is less than /2 by more than 1 using a = .10. (15 points) (2) Use P-value method to perform above hypothesis at a = .20 (5 points) (3) Find a 95% confidence interval for (u1 - M2) for a two-sided interval. (5 points)