The amounts of 6 restaurant bills and the corresponding amounts of the tips are given in the below. Bill 106.27 70.29 52.44 88.01 32.98 43.58 Tip 16.00 10.00 7.00 10.00 4.50 5.50 Use a 0.05 confidence level to find the following: The test statistic r = Is there a significant correlation? A. No B. Yes The regression equation is + If the amount of the bill is $75, the best prediction for the amount of the tip is 8.2 .