The scatter diagram compares the values, in thousands of dollars, of eight houses in 1996 with the values of those same houses in 2016. The vertical axis carries the label 'Value in 2016 ($ thousands)' and the horizontal axis carries the label 'Value in 1996 ($ thousands)'.
(a)[1]
In 1996, one of these eight houses was worth $70\,000. State the value of this house in 2016.
(b)[1]
Plot these values on the scatter diagram.
(c)[1]
On the scatter diagram, draw a line of best fit.
(d)[1]
Another house was valued at $50\,000 in 1996. Estimate the value of this house in 2016.
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$140000$” …