Mean, standard deviation?
The gcse score is g and A level score is a and for maths in 1999 the coding equation was given by a =2.6g -9.42
This year there are 66 second year students and their gcse scores are summarised as Sum of g =408.6 and Sum of (g-mean of g)^2 =15.45
A) find mean and standard deviation of the gcse scores
B) find mean andstandard deviation of predicted A Levels grades
Please help
This year there are 66 second year students and their gcse scores are summarised as Sum of g =408.6 and Sum of (g-mean of g)^2 =15.45
A) find mean and standard deviation of the gcse scores
B) find mean andstandard deviation of predicted A Levels grades
Please help
Quick Reply
Related discussions
- Will the s.d Increase or Decrease? (S1 edexcel)
- aqa biology biodiversity question help!
- Sample vs Population Standard Deviation
- Summary statistics Q
- Edexcel A level math stats
- Negative Binomial Question
- Hnc electrical engineering maths question
- standard deviation a level maths
- Hypothesis Testing
- Standard deviation larger than the mean.
- Alevel Bio question help
- Cie as level statistics question , please help
- Calculator Error - Normal Distribution
- Wjec a level unit 4 maths
- Maths please help (Statistics Normal Distrubution)
- Discrete probability disturbution
- HNC Maths Question Hand Drawn Sketch
- HELPPP A level maths linear interpolation
- OCR S1 May 2006 Q7 - mean and standard deviation
- σ q
Latest
Trending
Last reply 1 week ago
I don't meet the entry requirements for my GCSEs, what should I do?Trending
Last reply 1 week ago
I don't meet the entry requirements for my GCSEs, what should I do?
