1. The summary statistics for the marks of a chemistry exam are shown
below.
|
Five-number Summary |
|
|
Minimum |
15 |
|
First Quartile |
70 |
|
Median |
85 |
|
Third Quartile |
90 |
|
Maximum |
100 |
(a) Is the test easy or difficult? Explain.
(b) Tom scored 50 marks in the exam. Use the information provided to comment on his performance in the test.
This is not a difficult question if you know what the terms (first quartile, median, third quartile) given mean. For a hint, first quartile = 70 means 25% score below (or at) 70 and 75% score above (or at) 70. Please read up on your textbook/notes.