Final answer:
The point estimate for the mean is 14.5 and the margin of error is 5.1.
Step-by-step explanation:
The point estimate for the mean is the midpoint of the interval, which is (9.4 + 19.6)/2 = 14.5.
The margin of error is half of the length of the interval, which is (19.6 - 9.4)/2 = 5.1.