Associations in Data:Question 5
- 10
Quantity
The table shows the weights of a sample of
packages carried by an air freight company last
month. Find the mean deviation for the data in
the quantity column.
Weight
(kilograms)
1-3
35
9
57
5
Select one
79
6
152
911
8
809
O o oo
6 18
2 84

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.