The scatter graph shows information about the amount of rainfall, in mm, and the number of hours of sunshine for each of ten English towns on the same day - Edexcel - GCSE Maths - Question 1 - 2022 - Paper 2
Question 1
The scatter graph shows information about the amount of rainfall, in mm, and the number of hours of sunshine for each of ten English towns on the same day.
One of t... show full transcript
Worked Solution & Example Answer:The scatter graph shows information about the amount of rainfall, in mm, and the number of hours of sunshine for each of ten English towns on the same day - Edexcel - GCSE Maths - Question 1 - 2022 - Paper 2
Step 1
Write down the coordinates of this point.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The coordinates of the outlier point appear to be (0, 12), where there is 0 mm of rainfall but 12 hours of sunshine.
Step 2
Ignoring the outlier, describe the relationship between the amount of rainfall and the number of hours of sunshine.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Ignoring the outlier, there is a negative correlation between the amount of rainfall and the number of hours of sunshine. As the amount of rainfall increases, the number of hours of sunshine tends to decrease.
Step 3
Using the scatter graph, estimate the amount of rainfall in this town on this day.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
When there are 7 hours of sunshine, the estimated amount of rainfall is approximately 4 mm, based on the trend of the data indicated in the scatter graph.
