2. Joey read in his biology book that fish activity increases with water tempera

Question

2. Joey read in his biology book that fish activity increases with water temperature, and he decided to investigate this issue by conducting an experiment. On nine successive days, he measured fish activity and water temperature in his aquarium. He found the equation of the LSRL to be -152.1 +37.65, where is the predicted amount of activity. If one of Joey's days had a water temperature of 69.0 degrees Fahrenheit and the fish activity on that day was 265, what is the residual activity for this particular temperature?

Explanation / Answer

If y= 265

and y(hat)= 152.1+37.65t

t= 69 degree Fahrenheit

y(hat)= 152.1+37.65*69= 152.1+2597.65 = 2749.95

Residualactivity for thisparticlartemperature is

Residual= y-y(hat)= 265-2749.95

Residual= -2484.95

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