I would like to make a grouped frequency tables from the following numbers: [7.928, 13.653, 12.250, 10.042, 5.234, 6.864, 5.985, 5.038, 5.073, 11.565, 12.618, 11.214, 4.121, 7.532, 5.538, 13.466]. The interval width is 2. How many scores fall in the lowest interval?
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