question archive Incubator Indicators The diameter (measured at the widest part) of the eggs of a species of bird have an average of 55 mm and an SD of 0
Incubator Indicators The diameter (measured at the widest part) of the eggs of a species of bird have an average of 55 mm and an SD of 0
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Incubator Indicators
The diameter (measured at the widest part) of the eggs of a species of bird have an average of 55 mm and an SD of 0.8 mm. The weights of the chicks that hatch from these eggs have an average of 10 grams (yes. they're tiny) and an SD of 0.5 grams. The correlation between the two variables is 0.6. (a) Write Python expressions that evaluate to the following: (i) The regression estimate (in grams) of the weight of a chick that hatches from an egg with diameter 55 mm. (ii) The regression estimate (in grams) of the weight of a chick that hatches from an egg with diameter 47 mm. (iii) An array consisting of the regression estimates (in grams) of the weights of chicks that hatch from ggs of diameters (in cm) in an array diameters. Element i of your array should be the regression estimate corresponding to element i of diameters. (iv) The SD (in grams) of the residuals of the regression of weight on diameter. (b) Do any of your answers to part (a) depend on the scatter diagram being football shaped or linear in some other way? Explain.
