The speed of car is 45.3 miles per hour.
Further explanation:
Speed is the rate at which an object changes position with respect to time.
Given
The formula for calculating speed is:
The speed of car is 45.3 miles per hour.
Keywords: Speed, distance
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Slope: (y2-y1)/(x2-x1)
(-1-0)/(-7+8) = -1/1 = -1
The slope is -1
With such a high mean an outlier that is of the value of ten would cause the mean of the data set to decrease.