Mathematics, 28.07.2019 19:30 hartmaaj95
Aproduction manager tests 10 toothbrushes and finds that their mean lifetime is 450 hours. she then designs a sales package for this type of toothbrush. it states that consumers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics?
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Aproduction manager tests 10 toothbrushes and finds that their mean lifetime is 450 hours. she then...
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