Question

sandra calculated the trend line for a scatter plot to b y=3x+1-. What is the predicted value of x=40?
a. 80
b. 125
c. 130
d. 53

Answer 1

sandra calculated the trend line for a scatter plot to by=3x+1-. What is the predicted value of x=40?

A.80
B.125
C.130
D.53

Answer 2

The predicted value of the scatter plot at x=40, according to Sandra's trend line prediction will be 130.

What is a scatter plot?

A scatter plot is a form of plot or mathematical diagram that displays values for two variables for a collection of data using Cartesian coordinates. One more variable can be presented if the points are programmed.

To get the predicted value to the scatter plot at x=40, substitute the value of x as 40 in the given function of the trend line. Therefore, the value will be,

$y = 3x+10\\\\y = 3(40)+10\\\\y=130$

Hence, the predicted value of the scatter plot at x=40, according to Sandra's trend line prediction will be 130.

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