2 The table shows the number of each type of bird seen in a garden on Monday. Type of bird Frequency Pie chart sector angle Goldfinch 8 96° Jay 6 Starling 11 Robin 5 (a) Find the percentage of the birds that are Starlings. ............................................. % [2] (b) (i) In the table, complete the column for the pie chart sector angle. [2] (ii) Complete the pie chart to show the information in the table. Goldfinch [2] © UCLES 2023 0580/43/O/N/23 5 (c) On Tuesday, the number of Goldfinches seen in the garden increased by 262.5%. Calculate the number of Goldfinches seen on Tuesday. ................................................. [2] (d) One of the most common birds in the world is the Red-Billed Quelea which lives in Sub-Saharan Africa. There are approximately 1500 million of these birds in this area. (i) Write 1500 million in standard form. ................................................. [1] (ii) The land area of Sub-Saharan Africa is approximately 21.2 million square kilometres. Work out the average number of these birds per square kilometre. ................................. birds/km2 [2] © UCLES 2023 0580/43/O/N/23 [Turn over 6