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1. I don't get it. Check image down below
3. (Original post by Y11_Maths)
Just did.
4. (Original post by StrangerOnTheNet)
...
5. (Original post by RDKGames)
There should be a new post with the pic.
6. (Original post by Y11_Maths)
Do you get it?
7. It is too small to read
8. (Original post by Y11_Maths)
It is too small to read
​A researcher has collected data on the prevalence of a type of cancer and its link to concentrations of radon gas in the area. They calculate​ Pearson's Product Moment Correlation Coefficient to be 0.21.

​b) What percentage of the variation in the prevalence of this cancer could be attributed to the variation in radon gas​ concentration? Write your answer correct to zero decimal places e.g. 16​ %, 85​ %, 3 ​%. Do not write the percentage sign.
9. (Original post by Y11_Maths)
It is too small to read
Hopefully you can see it properly now.
10. you need to find r2... this is called the coefficient of determination and represents the % of variation attributable to the radion gas.
11. (Original post by the bear)
you need to find r2... this is called the coefficient of determination and represents the % of variation attributable to the radion gas.
But all they gave me was the co-effiecient which is 0.21 so do l square it making it 4%?
12. (Original post by StrangerOnTheNet)
But all they gave me was the co-effiecient which is 0.21 so do l square it making it 4%?
yes
13. (Original post by the bear)
yes
One more question with this is lesser=less than or are they trying to trick me because of the wording?
14. (Original post by StrangerOnTheNet)
One more question with this is lesser=less than or are they trying to trick me because of the wording?
here is is clear that the tables are

https://i.ytimg.com/vi/9KOJtiHAavE/maxresdefault.jpg

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