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    NationalMediumStatistics10–12

    For a bivariate sample, r=0.6r = 0.6, sy=10s_y = 10 and sx=2s_x = 2. What is the slope of the regression line of yy on xx?

    Numa amostra bivariada, r=0,6r = 0{,}6, sy=10s_y = 10 e sx=2s_x = 2. Qual é o declive da reta de regressão de yy sobre xx?

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    Solution

    Step 1 of 3

    1. 1.The slope is b=r×sysxb = r \times \frac{s_y}{s_x}