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07-10-2022
Mathematics

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two hair products, a styling cream and a mousse, were compared to see which gave the better curl hold. forty women aged 18 to 25 were randomly split into two groups; one group was assigned to use the styling cream for the next two weeks and the other group was assigned to use the mousse. at the end of two weeks, each young woman reported on how well the product held their curl on a scale from 0 to 10 with 0 being the worst and 10 being the best you could possibly expect. is this experiment double-blind?

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