NationalMediumStatistics10–12

A regression line of $y$ on $x$ has slope $\frac{3}{2}$ . The sample means are $\bar{x} = 4$ and $\bar{y} = 10$ . What is the intercept?

Uma reta de regressão de $y$ sobre $x$ tem declive $\frac{3}{2}$ . As médias amostrais são $\bar{x} = 4$ e $\bar{y} = 10$ . Qual é a ordenada na origem?

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Solution

Step 1 of 3

1.The regression line always passes through the mean point $(\bar{x}, \bar{y})$ .

A regression line of yyy on xxx has slope 32\frac{3}{2}23​. The sample means are xˉ=4\bar{x} = 4xˉ=4 and yˉ=10\bar{y} = 10yˉ​=10. What is the intercept?

Answer options

A regression line of $y$ on $x$ has slope $\frac{3}{2}$ . The sample means are $\bar{x} = 4$ and $\bar{y} = 10$ . What is the intercept?