3 (a) The bar chart shows the country in which each of 80 students live. 24 20 16 Frequency 12 8 4 0 Australia Brazil China India USA Country (i) How many of these students live in Brazil? ................................................. [1] (ii) In which country do the largest number of these students live? ................................................. [1] (iii) How many more of these students live in China than live in Australia? ................................................. [1] (iv) Find the percentage of these students who live in the USA. ..............................................% [2] © UCLES 2023 0580/31/O/N/23 7 (b) In Hobart, the temperature at 8 am was -3 °C and the temperature at 3 pm was 7 °C. (i) Find the difference in the temperatures between 8 am and 3 pm. ............................................ °C [1] (ii) The temperature at 10 pm was 12 °C lower than at 3 pm. Find the temperature at 10 pm. ............................................ °C [1] (c) The table shows the favourite language that each of 80 students studies. Language Frequency French 12 Spanish 26 English 42 Total 80 Complete the pie chart to show this information. [4] © UCLES 2023 0580/31/O/N/23 [Turn over 8