This task is about identifying the mean, median, mode and range, and drawing a stem-and-leaf graph.
Ben recorded his friends' results in the end-of-term tests as percentages.
Spelling | Maths | English | Soc. Studies | Science | Health | |
Ben | 90% | 100% | 80% | 93% | 91% | 89% |
Alex | 100% | 75% | 80% | 78% | 94% | 96% |
Jo | 69% | 52% | 90% | 70% | 83% | 86% |
Hiria | 90% | 100% | 95% | 85% | 94% | 100% |
Hone | 80% | 85% | 83% | 85% | 83% | 96% |
Rachel | 75% | 62% | 70% | 75% | 53% | 85% |
a) |
What is the mean percentage for English? __________% |
b) |
What is the mode for Health? __________% |
c) |
What is the median percentage for Maths? __________% |
d) |
What was Hone's mean percentage for the 6 results? __________% |
e) |
In the space below draw a stem and leaf graph for the subject with the greatest range.
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