What is the equation of the line of best fit mentioned in the video?

Line of Best Fit and Residuals

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Lucas Foster
FREE Resource
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
y = 2x + 3
y = 3x + 2
y = 4x - 1
y = x + 5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the x-value used to calculate the residual in the video?
5
4
2
3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the actual y-value of the point used in the residual calculation?
13
11
10
12
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the expected y-value using the line of best fit when x = 3?
y = 3 * 3 + 2
y = 2 * 3 + 3
y = 3 * 2 + 3
y = 3 + 3 * 2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the expected y-value when x = 3 according to the line of best fit?
12
11
13
10
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the residual calculated in the video?
Sum of actual and expected values
Actual value minus expected value
Product of actual and expected values
Expected value minus actual value
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the residual value calculated in the video?
0
3
1
2
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final point for the residual as mentioned in the video?
(3, 1)
(3, 3)
(3, 0)
(3, 2)
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