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Social Studies, 30.09.2019 22:00 MariaGuerra
Ashoe manufacturer wanted to determine which type of material, "material x" or "material y," to use on the soles of their shoes to get maximum wear. twenty teenage boys wore one shoe with each type of sole. for each young man, a coin was tossed; if heads, "material x" would go on the right shoe and "material y" on the left. if tails, "material x" would go on the left shoe and "material y" on the right. after wearing these shoes four months, the thickness of the sole of each shoe was measured. what type of study is this?
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Ashoe manufacturer wanted to determine which type of material, "material x" or "material y," to use...
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