Question: what is the 98% confidence interval? Preliminary data analyses indicate that you can reasonably consider the assumptions for using pooled t-procedures satisfied. Independent random samples

what is the 98% confidence interval?

Preliminary data analyses indicate that you can reasonably consider the assumptions for using pooled t-procedures satisfied. Independent random samples of released prisoners in the fraud and firearms offense categories yielded the following information on time served, in months. Obtain a 98% confidence interval for the difference between the mean times served by prisoners in the fraud and firearms offense categories. (Note: x, =9.53, s, =4.01, x, = 17.36, and s, = 5.04.) The 98% confidence interval is from [| to [ |. (Round to three decimal places as needed.) Fraud Firearms 9.7 15.1]17.6 11.6 14.1 4.8 | 24.5 12.3 10.3 4.9 | 13.1 19.9 5.2 8.9 | 18.5 23.7 7.7 14.6/11.2 21.2

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