High School

An equation of the line of best fit shown in the scatter plot is \( y = \frac{9}{2}x + 22 \). What does 22 mean in this model?

A) The y-intercept, 22, means that on average, babies grow about 22 inches in the first 5 years.

B) The y-intercept, 22, means that on average, babies are 22 inches in length when born.

C) The y-intercept, 22, means that on average, two-year-olds are 22 inches tall.

D) The y-intercept, 22, means that on average, babies will grow about 22 inches in the first 2 years.

Answer :

Final answer:

The y-intercept, 22, means that on average, babies are 22 inches length when born.

Explanation:

The y-intercept, also known as the b term in the equation of a line, determines where the line crosses the y-axis. In this equation, the y-intercept is 22, which means that when x is 0, the value of y is 22. This can be interpreted as the starting point or initial condition of the relationship described by the line. In the context of the scatter plot, the y-intercept of 22 means that on average, babies are 22 inches long when born.

Learn more about y-intercept here:

https://brainly.com/question/29113022

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