You are given the following information concerning two new-born babies: baby one

Question

You are given the following information concerning two new-born babies: baby one is 17.5 inches long and weighs 7.39 pounds. Baby two is 21.16 inches long and weighs 9.48 pounds. Calculate the slope of a linear function that describes this relationship. Use the length of a new-born baby as the independent variable.

Answer= .57


Can someone please explain this?? I dont understand

You are given the following information concerning two new-born babies: baby one is 17.5 inches long and weighs 7.39 pounds. Baby two is 21.16 inches long and weighs 9.48 pounds. Calculate the slope of a linear function that describes this relationship. Use the length of a new-born baby as the independent variable.

Answer= .57


Can someone please explain this?? I dont understand

Explanation / Answer

Let X = Length of newborn baby

Y = Weight of newborn baby.

Y is dependent on X.

Let the linear function be:

Y = a + bX where a & b are constants.

a: Intercept & b: Slope of the function.

Putting the data in the equation:

7.39 = a + 17.5b (1)

9.48 = a + 21.16b (2)

Subtracting equation (2) from equation (1) gives u:

2.09 = 3.66b

b = 2.09 / 3.66

= 0.57

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