... (X+Y) (X+Y being the data) N (N being the amounts of data) Place Height Above Sea Level (X+Y) N Av. Hrs Of Sunshine Per Day Alice Springs 580m 113 ? 12 = 9.416 9.42 (3sf) Johannesburg 1692m 105 ? 12 = 8.75 8.75 (3sf) Lusaka 1154m 95 ? 12 = 7.916 7.92 (3sf) Mexico City 2309m 85 ? 12 = 7.083 7.08 (3sf) Quito 2875m 67 ? 12 = 5.583 5.58 (3sf) San Jose 1145m 67 ? 12 = 5.583 5.58 (3sf) Windhoek 1728m 117 ? 12 = 9.75 9.75 (3sf) Now that I have the average hours of sunshine (HS*) and the heights above sea level (HASL*) I am capable to use those sets of data on a graph. GRAPH A shows the average HS against the HASL. It shows that Debbie's statement is not entirely accurate. If Debbie's statement were to be perfectly accurate there would be visible negative correlation. Closer inspection proves that there is negative correlation between points at 580m and 1145m, also between points 1728m through to 2875m. However, through points between 1154m and 1728 ...

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