Wednesday, 13 January 2016

Finding the average of a percentage using two average scores

To get a grade 7 in the GCSE 9-1, Helen must have a mean of 68% averaged over three exam papers. Her mean score on the first two papers is 63%.What percentagewill she need on the third paper on achieving a grade 7?
at

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)

One of the distinguishing features in the earlier films is the presence of video cameras and their low-resolution images that contrast with film images that seem more stable and permanent

  The goal of the project is to have you research a movie of your choice (cannot be a film shown in class whic...