1) what is the relationship between the cost of the cars and their ages? a) age of the cars causes cheaper prices b) positive correlation c) negative correlation d) no correlation 2) Estimate the cost of the car that is 6 years old a) can’t tell b) £4000 c) £5000 d) £2000 3) What is the relationship between the heights of people and their arm span? a) positive correclation b) negative correlation c) height causes longer arms d) no correlation 4) Give a criticism of Arthur’s line of best fit a) nothing wrong with it b) It doesn’t go through most of the points c) it should start from 20 d) it should start at 20 and finish at 50 5) Give the coordinates for the outlier a) (215, 1.5) b) (1.5, 215) c) (1, 50) d) (5, 200) 6) Which is the right explanation for “ correlation doesn’t imply causation” a) if 2 variable are linked, one will cause the other b) If 2 variables linked, one doesn’t necessarily causes the other c) there is no link between the variables d) there is no pattern

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