9012 Investigate Life and Work Related Problems Using Data and Probabilities Assessment Manual Version 2 1.4 ACTIVITY 4 Group Activity Time: 90 minutes 44 Marks The table below contains prices of houses that were sold in two areas (Sky City and Leopard's Rest) in the East Rand in Gauteng, during the first 6 months of 2019. The house prices have been arranged in an ascending order. Table 1: Prices of houses sold in the first six months at Sky City and Leopard's Rest Sky City (Cosmo City Development) Leopard's Rest (Cosmo City Development) R820 000 R150 000 R525 000 R650 000 R160 000 R530 000 R680 000 R850 000 R175 000 R540 000 R680 000 R865 000 R190 000 R550 000 R700 000 R880 000 R212 000 R570 000 R720 000 R900 000 R225 000 R570 000 R740 000 R920 000 R400 000 R580 000 R800 000 R945 000 R520 000 R600 000 R812 000 R980 000 1. What is the average price of the house at Sky City and at Leopard's Rest? (8 marks) 2. What is the modal price of the house at each of the developments? (4 marks) 3. What is the medial price of the house at each of the developments? (6 marks) 4. What is the price range of the houses at each of the developments (6 marks) 5. Determine the interquartile price range of the houses at each of the developments. (20 marks) 16 Licensed to Rand Water 2011
