Question: World population is shown in Table 52 for various years. Let y be the worlds population (in billions) at x years since 1930. a. Construct

World population is shown in Table 52 for various years.

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.

Table 52 World Population Population (billions) 2070 2.295 2.500 3.050 3.700 4.454 5.279 6.080 6.916 7248 Year 1930 1940 1950 1960 1970 1980 1990 2000 2010 2015

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