Question

A scatter plot has a trend line of y=−2x+5. If a point in the scatter plot has an x-coordinate of 1, what is the best estimate of its y-coordinate?

A. −2
B. 1
C. 3
D. 5

Answer 1

C. 3

Explanation:

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Answer 2

The best estimate of its y coordinate would be to substitute the value of x into the trend line as the trend line aka best fit line represents the trend that all the points follow. Hence 7=-2(1)+5= 5-2= 3

The answer is option c.

Explanation: