Eight students were asked to estimate the mass of a bag of sweets in grams. First they were asked to estimate the mass without touching the bag and then they were told to pick the bag up and estimate the mass again. The results are shown in the table below. A B C DEF G H Student Estimate of mass not 25 18 32 27 21 35 28 30 touching bag (g) Estimate of mass 16 11 20 17 15 26 holding bag (g) 22 22 20 a Draw a scatter diagram to represent these data. b Describe and interpret the correlation between the two variables.

AppendixLO1