Summary statistics are given for independent simple random samples from two populations. Use the nonpooled t-interval procedure to find the 95% confidence interval X = 73.4, s, = 10.9, n, = 16, x2 = 68.9, s2 = 8.2, n2 = 12 ...... O A. - 1.98 to 10.98 O B. - 1.66 to 10.66 O C. - 3.34 to 12.34 O D. - 2.92 to 11.92

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