World population is shown in Table 52 for various years. Let y be the worlds population (in
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Let y be the world€™s population (in billions) at x years since 1930.
a. Construct a scatterplot of the data.
b. Find a regression equation. Write the equation using the function name f.
c. Find f(85). What does it mean in this situation? Find the residual.
d. Construct a scatterplot for the period 1970€“2015.
e. Find a regression equation for the period 1970€“2015. Write the equation using the function name g.
f. Find g(85). What does it mean in this situation? Find the residual. Compare your result with the residual you found in part (c). By referring to the shape of the association, explain why your comparison makes sense.
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a b c billion in 2015 the population is 7593 billion The residual is billion d e f ...View the full answer
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