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. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Speed Noise 28.26 78.1 36.22 79.6 38.73 81.0 29.07 78.7 30.28 78.6 30.25 78.6 29.03 78.4 33.17 79.6 Construct a 95% confidence interval for the slope. The 95% confidence interval is (