help dew in 5 minutes I will mark as brainliest Calculate the mean absolute deviation of the electric bills for Family A. Round
1 answer:
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Answer:
a = 4, b =
Step-by-step explanation:
Use any ordered pairs of points from the table.
Substitute into the equation and solve for a and b, that is
Using (0, 4), then
4 = a = a
Hence a = 4
Using (2, 1), then
1 = 4 ( divide both sides by 4 )
b² = ( take the square root of both sides )
b =
Equation is
y = 4