Final answer:
Without the histogram, the interval with the most fish caught cannot be determined. However, for the related question, the average number of fish expected to be caught in 15 minutes, when the hourly average is 8, would be 2 fish.
Step-by-step explanation:
The student is asking about a histogram which relates to the topic of data interpretation in Mathematics. Since the actual histogram is not provided, it's impossible to accurately say which interval had the most fish caught.
However, to address the related question regarding the average number of fish caught in 15 minutes when the average catch in an hour (60 minutes) is 8 fish, we can perform a simple calculation. The question suggests that we should find a quarter of the hourly average because 15 minutes is a quarter of an hour.
To calculate the average number of fish caught in 15 minutes, divide the hourly average by 4: 8 fish ÷ 4 = 2 fish. Therefore, on average, 2 fish are caught in 15 minutes.