Integrated Math 1 B Semester Exam

Question

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Question
A scatter plot has an x-axis that goes from negative 2 to 12 in increments of 1 and y-axis that goes from negative 2 to 6 in increments of 2. Points are plotted at (0, negative 1), (1, 1), (2, 0), (3, 2), (4, 5), (5, 4), (6, 3.5), (8, 4), (9, 3), (10, 1.5), and (11, 0).

A residual plot for a linear model y=ax+b is given above. What information does the residual plot provide?

(1 point)
Responses

The absence of a pattern in the residual plot indicates that the linear model is not a good fit.
The absence of a pattern in the residual plot indicates that the linear model is not a good fit.

The absence of a pattern in the residual plot indicates that the linear model is a good fit.
The absence of a pattern in the residual plot indicates that the linear model is a good fit.

The strong pattern in the residual plot indicates that the linear model is a good fit.
The strong pattern in the residual plot indicates that the linear model is a good fit.

The strong pattern in the residual plot indicates that the linear model is not a good fit.
The strong pattern in the residual plot indicates that the linear model is not a good fit.

Answer 1

The absence of a pattern in the residual plot indicates that the linear model is a good fit.