Question 14.116

antcolony

26. Ant Sizes. A study compared the sizes of ants from different colonies. Researchers measured the masses (in milligrams) of random samples of ants from three different colonies, which were selected independently. The samples are shown here. Test whether the population median sizes differ in the three ant colonies, using level of significance .

Colony	Size	Colony	Size	Colony	Size	Colony	Size
3	78	2	59	2	77	1	75
3	89	2	74	3	116	1	87
1	78	1	43	3	29	3	144
2	111	1	130	3	153	1	112
2	147	3	122	3	93	1	65

Colony	Size	Colony	Size	Colony	Size	Colony	Size
3	78	2	59	2	77	1	75
3	89	2	74	3	116	1	87
1	78	1	43	3	29	3	144
2	111	1	130	3	153	1	112
2	147	3	122	3	93	1	65

Colony	Size	Colony	Size	Colony	Size	Colony	Size
3	78	2	59	2	77	1	75
3	89	2	74	3	116	1	87
1	78	1	43	3	29	3	144
2	111	1	130	3	153	1	112
2	147	3	122	3	93	1	65

Colony	Size	Colony	Size	Colony	Size	Colony	Size
3	78	2	59	2	77	1	75
3	89	2	74	3	116	1	87
1	78	1	43	3	29	3	144
2	111	1	130	3	153	1	112
2	147	3	122	3	93	1	65