Measures of Dispersion

1. In summary,

The data from least to greatest is:

$2.6,3,4.9,5,5,6,6,7.9,8,8.2$

The interquartile range is 3 hours.

2. In summary,

The data from least to greatest is:

$4,4,6,7,10,11,12,14,15$

The interquartile range is 8 animal crackers.

3. 3.5

4. In summary,

The data from least to greatest is:

$0,0,0,1,2,2,4,5,7,8,10$

The interquartile range is 7 remote controllers.