1) What type of data is appropriate for a line graph? Select the two requirements. a) Independent variable is numerical b) Independent variable is words c) Dependent variable is numerical d) Dependent variable is words 2) What is the purpose of a line graph? a) To emphasise the difference between adjacent data points b) To show what proportion each part makes of a whole c) To show an overall trend or correlation between variables d) To compare different categories of data 3) Is it a line graph? Tom wants to find out how changing the weight affects the speed of a car. a) Yes b) No 4) Is it a line graph? Sarah wants to see how cases of an illness vary over time to see when there is a big increase. a) Yes b) No 5) Is it a line graph? Linlin wants to illustrate what percentage of animals in a forest are each species. a) Yes b) No 6) Line graphs have a smooth line of best fit. a) True b) False

Line graphs quiz

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