An October 26, 2020 news report raised alarms that the population of North Atlantic Right Whales had declined a dramatic 11% with increased risk for the whales extinction in the near future. Whale deaths are largely caused by collisions with fishing boats and by whale entanglement in fishing nets and lobster trap gear. “Since the population peaked at 481 whales in 2011, there have been 103 births, but roughly 218 whales have died, presumably because of human activity – a rate of 24 deaths per year.” Subtracting births from death, what is the yearly net decrease in the Right Whale population between 2011 and 2020?
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
An October 26, 2020 news report raised alarms that the population of North Atlantic Right Whales had declined a dramatic 11% with increased risk for the whales extinction in the near future. Whale deaths are largely caused by collisions with fishing boats and by whale entanglement in fishing nets and lobster trap gear.
“Since the population peaked at 481 whales in 2011, there have been 103 births, but roughly 218 whales have died, presumably because of human activity – a rate of 24 deaths per year.”
Subtracting births from death, what is the yearly net decrease in the Right Whale population between 2011 and 2020?
Create a linear mathematical model for the decline in Right Whale population since 2011 (i.e. let 2011 be year zero).
The article says that in 2018 there were 366 Right Whales counted. How accurate is your linear model when compared to the 2018 whale count?
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