Question 1

x 1 2 3 4 5 6

y 7 10 12 15 19 21

(a) Use the data shown to draw a scatter plot and draw a line of best fit for the data.

Question 2The following table lists values of x and y.

Pupil A B C D E F G H I J

Maths Score 45 83 65 62 71 52 69 72 58 64

Science Score 39 80 59 60 65 54 65 67 56 64(a) Draw a scatter graph for this data and then draw a line of best fit.

Question 3 The following data was collected by a lorry driver who was interested in how much fuel he used on different journeys.

Length of Journey(miles) 100250150180220300

Fuel Used(litres) 24 59 44 50 59 97(a) Draw a scatter graph and a line of best fit for this data.

Question 4 A pupil carried out an experiment where he recorded the length of a spring when various masses were hung from it.

Mass (grams)

50 50 100150200 300

Length (cm) 6.0 6.6 6.9 8.0 9.1 11.1

Use a scatter graph and a line of best fit to estimate the length of the spring when there is

Question 5 Rafiq collected the following data on the height and shoe size of some pupils in his class:

Shoe Size 6 4 8 5 9 10 4 5.5

Height (cm 143 150 172 146 165 177 141 156

)