This task is about what happens to the mean if the data changes.
|
Hemi was proud of his test scores.
|
 |
|
He added all his marks together and divided the total by 6 to find his average mark. |
|
a) |
What was Hemi's average mark? __________ |
|
b) |
If Social Studies was not counted, what would the average mark be then? __________ |
|
c) |
If Hemi was allowed to drop the marks from one subject so he could improve his average,
which subject should he drop? __________
|