Edexcel Gcse Mathematics (Linear) - Scattergraphs Page 5
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4. The scatter graph shows information for some weather stations.
It shows the height of each weather station above sea level (m) and the mean July midday
temperature (°C) for that weather station.
2500
2000
1500
Height above
sea level (m)
1000
500
O
5
10
15
20
25
Mean July midday temperature (°C)
The table shows this information for two more weather stations.
Height of weather station above sea level (m)
1000
500
Mean July midday temperature (°C)
20
22
(a) Plot this information on the scatter graph.
(1)
(b) What type of correlation does this scatter graph show?
................................................................
(1)
(c) Draw a line of best fit on the scatter graph.
(1)
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