13 The scatter diagram shows the number of rooms and the number of people in each of eight buildings. 70 60 50 40 Number of rooms 30 20 10 0 0 10 20 30 40 50 60 70 80 Number of people (a) One of the buildings has 67 rooms. W rite down the number of people in this building. ................................................. [1] (b) In another building there are 42 people and 33 rooms. On the scatter diagram, plot this point. [1] (c) (i) On the scatter diagram, draw a line of best fit. [1] (ii) There are 45 people in a different building. Find an estimate for the number of rooms in this building. ................................................. [1] (d) What type of correlation is shown in the scatter diagram? ................................................. [1] (cid:300)(cid:219)(cid:250)(cid:190)(cid:288)(cid:180)(cid:237)(cid:200)(cid:245)(cid:207)(cid:298)(cid:197)(cid:266)(cid:221)(cid:250)(cid:182)(cid:254)(cid:215) [Turn over © UCLES 2024 (cid:300)(cid:225)(cid:176)(cid:250)(cid:206)(cid:297)(cid:285)(cid:293)(cid:218)(cid:247)(cid:266)(cid:238)(cid:192)(cid:202)(cid:246)(cid:300)(cid:295)(cid:258) 0580/12/O/N/24 (cid:293)(cid:229)(cid:197)(cid:277)(cid:245)(cid:277)(cid:229)(cid:213)(cid:181)(cid:213)(cid:213)(cid:261)(cid:261)(cid:213)(cid:293)(cid:213)(cid:293)(cid:213) M SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD * 0000800000008 * 8 (cid:44)(cid:1)(cid:1)(cid:1)(cid:1)(cid:9)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:9)(cid:44) NIGRAM