The table gives the frequency of grades achieved by students in an IB school a Calculate the
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Question:
The table gives the frequency of grades achieved by students in an IB school
a Calculate the mean grade.
b What percentage of students achieved a grade 4 or 57.
c Write down the modal grade.
Grade | Frequency |
1 | 1 |
2 | 6 |
3 | 19 |
4 | 34 |
5 | 32 |
6 | 18 |
7 | 10 |
Related Book For
Elementary Statistics
ISBN: 978-0538733502
11th edition
Authors: Robert R. Johnson, Patricia J. Kuby
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