The information below is based on independent random samples taken from two normally distributed populations having equal variances. Based on the sample information, determine the 98% confidence interval estimate for the difference between the two population means. n = 18 n2 = 11 X1 = 57 X2 56 S1 = 6 $2 = 5 ..... The 98% confidence interval is < (H1-42)S. (Round to two decimal places as needed.)

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