To find the weight of a cheetah that runs 7 miles using the line of best fit \( y = 195 - 7.3x \), we substitute \( x = 7 \) into the equation.
\[ y = 195 - 7.3(7) \] \[ y = 195 - 51.1 \] \[ y = 143.9 \]
The calculated weight of a cheetah that runs 7 miles is 143.9 pounds.
Next, we need to determine whether this is interpolation or extrapolation. Interpolation refers to estimating a value within the range of the data provided, while extrapolation refers to estimating a value outside of that range.
The provided data includes values of miles run ranging from 1 to 10 miles, thus 7 miles is within this range.
Therefore, the correct response is:
143.9 pounds and interpolation.