OFFICIAL SUMMER 2025 PEARSON EDEXCEL Pearson Edexcel GCE In Geography (9GE0) Paper 1 MERGED QUESTION PAPER + MARK SCHEME

OFFICIAL SUMMER 2025 PEARSON EDEXCEL Pearson Edexcel GCE In Geography (9GE0) Paper 1 MERGED QUESTION PAPER + MARK SCHEME SECTION A Tectonic Processes and Hazards Answer ALL questions in this section. Write your answers in the spaces provided. You must use the Resource Booklet provided. 1 Study Figure 1 which shows significant earthquake events in California, 1999–2022. Date of significant earthquake event Magnitude (Mw) (xi) Mean (µ) Magnitude-Mean (xi −µ) (Magnitude-Mean)2 (xi −µ)2 1999 7.1 6.2 0.9 0.81 2000 5 6.2 −1.2 2003 6.6 6.2 0.4 0.16 2007 5.6 6.2 −0.6 0.36 2008 5.4 6.2 −0.8 0.64 2010 7.2 6.2 1 1 2010 6.5 6.2 0.3 0.09 2014 6 6.2 −0.2 0.04 2014 5.1 6.2 −1.1 1.21 2019 7.1 6.2 0.9 0.81 2019 6.4 6.2 0.2 0.04 2022 6.4 6.2 0.2 0.04 ∑(xi −µ)2 Figure 1 Significant earthquake events in California, 1999–2022 2 ■■■■ DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA(a) Using Figure 1; (i) Calculate the value of (xi −µ)2 for the year 2000. (ii) Calculate ∑ (xi −µ)2 (1) . .. . . .. . . .. . . .. . . .. . . . .. . . .. . . .. . . .. . . .. . . . .. . . .. . . .. . . .. . . .. . (1) . .. . . .. . . .. . . .. . . .. . . . .. . . .. . . .. . . .. . . .. . . . .. . . .. . . .. . . .. . . .. . (iii) Using the answer to a(ii) and the formula below, calculate the Standard Deviation (SD) for this data. In this data set n = 12. You must show your working. Give your answer to two decimal places. ■■■■ SD = ( xi − )2 n−1 (2) . .. . . .. . . .. . . .. . . .. . . . .. . . .. . . .. . . .. . . .. . . . .. . . .. . . .. . . .. . . .. . 3 Turn over DO NOT WRITE IN THIS AREA DO NOT WRITE I