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Suppose #₁ and ₂ 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 = 6, x= 113.1, s₁=5.01, n = 6, y = 129.3, and s₂ = 5.38. Calculate a 95% CI for t 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? O Because the interval is so narrow, it appears that precise information is not available. O Because the interval is so wide, it appears that precise information available. O Because the interval is so wide, it appears that precise information is not available. O Because the interval is so narrow, it appears that precise information is available.

Suppose #₁ and ₂ 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 = 6, x= 113.1, s₁=5.01, n = 6, y = 129.3, and s₂ = 5.38. Calculate a 95% CI for t 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? O Because the interval is so narrow, it appears that precise information is not available. O Because the interval is so wide, it appears that precise information available. O Because the interval is so wide, it appears that precise information is not available. O Because the interval is so narrow, it appears that precise information is available.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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Suppose μ₁ and M₂ 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 = 6, x = 113.1, S₁ = 5.01, n = 6, y = 129.3, and s₂ = 5.38. 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 narrow, 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 wide, it appears that precise information is not available. Because the interval is so narrow, it appears that precise information is available. You may need to use the appropriate table in the Appendix of Tables to answer this question.
Transcribed Image Text:Suppose μ₁ and M₂ 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 = 6, x = 113.1, S₁ = 5.01, n = 6, y = 129.3, and s₂ = 5.38. 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 narrow, 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 wide, it appears that precise information is not available. Because the interval is so narrow, it appears that precise information is available. You may need to use the appropriate table in the Appendix of Tables to answer this question.
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