Question: N Coursepack, p. 528 Continuing with the Contraceptive Prevalence vs. Fertility Rate Data MAT 133: 4.3 WS 1 p.2 d) Consider the residual plot for

N Coursepack, p. 528 Continuing with the Contraceptive Prevalence vs. Fertility Rate Data MAT 133: 4.3 WS 1 p.2 d) Consider the residual plot for these data below. Explain why it appears a linear relationship was not appropriate for these data. Residual Plot for Contraceptive Prevalence vs. Fertility for Countries in 2017 Residuals N Percentage of Married Women of Child-Bearing Age using Contraceptives Coursepack, p. 527 Math 133: 4.3 Worksheet #1 Name: Section #: 4.3: Least-Squares Regression 1. The following graph shows the relationship between contraceptive use and fertility rates in all countries of the world for 2017. Notice the least-squares regression equation and correlation coefficient are given on the graph. (Source: https://www.prb.org/) Contraceptive Prevalence and Fertility Rates for Countries in 2017 y = -0.05x + 5.30 r =-0.754 Fertility Rate (Birthsper Woman) N 10 20 30 40 50 60 70 80 90 100 Contraceptive Prevalence Rate (Percentage of Married Women of Child-Bearing Age using Contraceptives)

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