(Solved) A sample of 25 students from a Faculty has been obtained to estimate the Average grade of student records in the Faculty. It is known by other
Question: A sample of 25 students from a Faculty has been obtained to estimate the Average grade of student records in the Faculty. It is known by other courses that the standard deviation of the scores in said faculty is of 2.01 points. If the average of the sample was 4.9. Calculates:
- Confidence interval at 90%.
- 95% Confidence Interval
- Confidence interval at 99%
Deliverable: Word Document 
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