Using examples, outline the differences between correlation and causation. 2 (b) Correlation coefficients The Excel correlation matrix below shows correlation coefficients between cheapest economy and business class fares, flight times and flight distances for non-stop round-trip flights in December 2019 to 12 medium- and long-haul destinations from Manchester Airport (source: flights.google.com, accessed 4h November 2019). Time Economy Fare Business Fare Distance 1.000 0.854 1.000 Economy Fare Business Fare Time Distance 0.663 0.494 1.000 0.520 0.317 0.971 1.000 Explain how this correlation matrix would have been generated in Excel. Why do some of the cells in the table show correlations of 1.000