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*Biology Paper 5 tips*

Salmu alakom guyz , In question 3 O/N2007 P5 , how to calculate the expected result for the chi square ??? I really don't know how did they calculate it and have got 80 !! + how did they get the degrees of freedom = 2 ??? wont it be 1 ??? Here is the paper ...
- baqer mohammed
- Post #504
- May 8, 2014
- Forum: A-Levels
B
*Biology Paper 5 tips*

Salmu alakom guyz , In question 3 O/N2007 P5 , how to calculate the expected result for the chi square ??? I really don't know how did they calculate it and have got 80 !! + how did they get the degrees of freedom = 2 ??? wont it be 1 ??? Here is the paper ...
- baqer mohammed
- Post #503
- May 8, 2014
- Forum: A-Levels

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