Previous Problem List Next (1 point) A study of king penguins looked for a relat

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Previous Problem List Next (1 point) A study of king penguins looked for a relationship between how deep the penguins dive to seek food and how long they stay underwater. For all but the shallowest dives, there is a linear relationship that is different for diferent penguins. The study report gives a scatterplot for one penguin itled The relation of dive duration (DD) to depth (D) Duration DD is measured in minutes and depth D is in meters. The report then says, "The regression equation for this bird is: DO 2.06+0.0028 D. (a) What is the slope of the regression line? ANSWER minutes per meter (b) According to the regression line, how long does a typical dive to a depth of 375 meters last? ANSWER minutes

Explanation / Answer

a) Slope of regression line = Coefficient of D = 0.0028

b) For D = 375,

DD = 2.06 + 0.0028(375) = 3.11 minutes

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