. (a) Your friend has supplied you some data on marks in corporate accounting and
statistics in an examination obtained by his friends:
Mean marks in statistics 39.5
Mean marks in corporate accounting 47.6
Standard deviation of mean marks in statistics 10.8
Standard deviation of mean marks in corporate accounting 16.9
The co-efficient of correlation between marks in statistics and corporate
accounting
0.42
How can you help your friend to predict the marks in corporate accounting if he
gets 50 marks in statistics?
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