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Florida State University administers a mathematics placement test to students when they first enter the university. Researchers at the school wanted to determine if students from different high schools in Florida had similar or different scores on the test. Seven students from three high schools, Reynolds, Mt. Tabor, and West, were randomly selected for the study and their scores recorded.
If the null hypothesis is rejected, determine the pattern of differences for the three groups.
Reynolds
Mt. Tabor
West
10
15
20
12
17
9
19
18
16
23
5
14
8
13
7
11
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