Question: 8.1 For each problem below, test for the significance of the difference in sample statistics using the fivestep model. (HINT: Remember to solve Formula 8.4

8.1 For each problem below, test for the significance of the difference in sample statistics using the fivestep model. (HINT: Remember to solve Formula 8.4 before attempting to solve Formula 8.2. Also, in Formula 8.4, perform the mathematical operations in the proper sequence. First square each sample standard deviation, then divide by n  1, add the resultant values, and then find the square root of the sum.)

a. Sample 1 Sample 2 X1572.5 X2576.0 s1 5 14.3 s2 5 10.2 n1 5 136 n2 5 257 Sample 1 Sample 2 X15107 X25103 s1 5 14 s2 5 17 n1 5 175 n2 5 200 b.

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