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The scatter graph shows information about the marks a group of students got in a Science test and in a Maths test - Edexcel - GCSE Maths - Question 4 - 2019 - Paper 3
Question 4
The scatter graph shows information about the marks a group of students got in a Science test and in a Maths test. Jamie got a mark of 34 in the Science test. Using... show full transcript
Worked Solution & Example Answer:The scatter graph shows information about the marks a group of students got in a Science test and in a Maths test - Edexcel - GCSE Maths - Question 4 - 2019 - Paper 3
Step 1
Using the scatter graph, find an estimate for Jamie’s mark in the Maths test.
Answer
To find Jamie's estimated Maths mark using the scatter graph, locate the point where the Science mark is 34 on the x-axis. From this point, draw a vertical line until it intersects with the scatter plot. From the point of intersection, draw a horizontal line towards the y-axis.
Examining the graph, this intersection indicates a Maths mark estimate. Observing the graph, we can see that this falls between 35 to 42.
Thus, Jamie's Maths mark is estimated to be in the range of approximately 35 to 42.