The mean of a data set is 30. What is the deviation from the mean of a data point 27 that was part of the data set?
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slope is -1
we have a point as (-4,3)
we can use slope intercept form of line
we can plug m=-1
now, we can plug point (-4,3)
x=-4 and y=3 and then we can find b
now, we can plug back
and we get
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