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which statements are true about the line of best fit for the data in th…

Question

which statements are true about the line of best fit for the data in the scatter plot? its slope is about 25. it crosses the y - axis at about (0, 50). it has a negative slope. its slope is about - 10. it has a positive slope. it crosses the y - axis at about (0, 10).

Explanation:

Step1: Observar la tendencia de la pendiente

Como los puntos de datos se elevan a medida que aumenta el valor de \(x\), la pendiente es positiva.

Step2: Estimar la pendiente

Tomar dos puntos aproximados, por ejemplo, \((0,10)\) y \((1,35)\). La fórmula de la pendiente \(m=\frac{y_2 - y_1}{x_2 - x_1}\). Aquí \(x_1 = 0,y_1 = 10,x_2=1,y_2 = 35\), entonces \(m=\frac{35 - 10}{1-0}=25\).

Step3: Estimar la intersección con el eje \(y\)

Observando el valor de \(y\) cuando \(x = 0\), se ve que está cerca de \(y = 10\).

Answer:

  • Its slope is about 25.
  • It has a positive slope.
  • It crosses the y - axis at about \((0,10)\).