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Question 3 Discuss briefly (giving several examples) the difference between correlation and causation. (6) Calculate the regression equation between the two variables in question 2
Question 3
- Discuss briefly (giving several examples) the difference between
correlation and causation. (6)
- Calculate the regression equation between the two variables in question 2 which will enable us to estimate how many years of education a woman
has had if we know her salary. (8)
- Predict how many years of education a woman who now earns R40 000 p.a. has had. Explain the assumptions (using a graph of the data) behind
the prediction. Why must we be very careful about extrapolation, in
general? (6) [20]
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Contemporary Business Mathematics With Canadian Applications
Authors: Ali R. Hassanlou, S. A. Hummelbrunner, Kelly Halliday
12th Edition
0135285011, 978-0135285015
