Lobster industry 2008, water temperature. Like many businesses, the Maine lobster fishing industry is seasonal.

But the peak lobstering season has been shifting later in the fall. According to scientists, the biggest factor in the time of the peak is water temperature. The data at www.maine.

gov/dmr include water temperature. How has it changed over the past half century? Here’s a scatterplot of Water Temperature(°F) vs. Year.

a) Consider the assumptions and conditions for regression.
Would re-expressing either variable help? Explain.

d) Using the second model, predict what the water temperature will be in 2015, and then explain why you don’t trust that prediction.

Transcribed Image Text:

Water Temperature 51.0 49.5 48.0 46.5 + 1950 1960 1970 1980 1990 2000 Year