n = 9, y = 129.5, and s₂ = 5.36. Calculate a 95% CI for the difference between true average stopping distances for cars equipped with system 1 and cars equipped with system 2. (Round your answers to two decimal places.) USE SALT * ) Does the interval suggest that precise information about the value of this difference is available? Because the interval is so wide, it appears that precise information is not available. O Because the interval is so wide, it appears that precise information is available. O Because the interval is so narrow, it appears that precise information is not available. O Because the interval is so narrow, it appears that precise information is available. -17.878 -13.323

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