Suppose , and dy are true mean stopping distances at 50 mph for cars of a certain type equipped with two different types

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Suppose And Dy Are True Mean Stopping Distances At 50 Mph For Cars Of A Certain Type Equipped With Two Different Types 1 (16.29 KiB) Viewed 94 times

Suppose , and dy are true mean stopping distances at 50 mph for cars of a certain type equipped with two different types of braking systems. The data follows: m = 9, x = 113.5, = 5.05, n = 9, y = 129.8, and s2 = 5.39. 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.) in USE SALT