3. If a new data point (15,80) is added to the original data, what effect will this new data point have on the slope and the y-intercept of the regression line? (2)
Effect on the slope:
Effect on the y-intercept:
I
4. Is it reasonable to predict the distance of the nearest firsh to the outflow pipe for a
temperature of 50°C? Explain your answer. [2]