AS Edexcel Statistics Quiz
hope it helps
- Created by: Cymbeline
- Created on: 15-01-12 05:05
Other questions in this quiz
2. P(A|B)=...?
- P(A∩B)/P(B)
- P(AUB)/P(B)
- P(B∩A)/P(B)
- P(A∩B)/P(A)
3. in regression, b=...?
- Syy/Sxy
- Sxx/Syy
- Sxy/Sxx
- Sxx/Sxy
4. The median of a data set is 19.8, the lower quartile is 11.2 and the upper quartile is 25.3, the data is positively skewed.
- False
- True
5. the formula for variance in Discrete uniform distribution is...?
- n+1)(n-2)/12
- (n+1)(n-1)/12
- (n+1)(n-1)/2
- (n-1)(n-1)/12
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