How much noisier are streets where cars travel faster? An article reports noise levels in decibels and average speed in kilometers per hour for a sample of roads. The following table presents the results. Speed 28.26 Noise 78.1 36.22 79.6 38.73 81.0 29.07 78.7 30.28 78.6 30.25 78.2 29.03 78.4 33.17 79.6 Construct a 95% confidence interval for the slope. (Round the final answers to three decimal places.) The 95% confidence interval is (

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A: a) 90% CI: C.I=32±1.645(50​6​) C.IL.B​=32−1.645(50​6​)=30.604 C.IU.B​=32+1.645(50​6​)=33.396 This…

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