A confidence interval for the average y-value at x = 6 from a simple regression was calculated to be (11.52, 17.74). Which one of the following can be the calculated prediction interval for the...

Extracted text: A confidence interval for the average y-value at x = 6 from a simple regression was calculated to be (11.52, 17.74). Which one of the following can be the calculated prediction interval for the y-value at x = 6 for this model? O (8.20, 21.06) O (9.92, 21.10) O (11.52, 17.74) O (12.71, 16.55) O (12.15, 15.12)