A survey found that social networking is popular in many nations around the world. The data table available below contains the level of social media networking(measured as the percent of individuals polled who use social networkingsites) and the GDP at purchasing power parity(PPP) per capita for each of21 selected countries. These data were used to perform a cluster analysis using the complete linkage method on the nations based on the level of social media networking and the GDP at PPP per capita. What conclusions can you reach about which nations are mostsimilar?

Country	GDP	Social_Media_Usage_(%)
1	8299.08	30
2	6439.07	27
3	35142.81	34
4	37747.3	35
5	3643.96	7
6	4529.5	10
7	30975.37	52
8	34313.16	25
9	5765.77	29
10	1965.1	19
11	15813.11	21
12	18972.13	41
13	15208.38	22
14	2950.45	3
15	20231.27	39
16	16471.71	42
17	30440.7	43
18	14692.66	31
19	7157.6	30
20	36179.26	45
21	48119.3	51

Number of Clusters	Distance	Leader	Joiner
20	0.081798	1	19
19	0.08565	11	13
18	0.155436	2	9
17	0.173129	12	15
16	0.200726	3	4
15	0.230542	5	6
14	0.258627	1	2
13	0.348859	12	16
12	0.436961	17	20
11	0.529387	5	14
10	0.661163	1	18
9	0.666013	7	17
8	0.778696	3	8
7	0.931501	1	11
6	1.184169	5	10
5	1.397922	7	21
4	1.552174	1	12
3	2.160661	3	7
2	3.03983	1	5
1	4.801257	1	3

1. Which two countries are mostsimilar?

2. At thetwo-cluster level, which country below is not in the same cluster as country1?

Country 5

Country 13

Country 21

Country 6

Country 19

Country 2