Mathematics, 07.10.2021 01:40 drew1t
Urinary fluoride concentration (in parts per million) was measured for both a sample of livestock that had been grazing in an area previously exposed to fluoride pollution and a similar sample of livestock that had grazed in an unpolluted region. Do the accompanying data indicate strongly that the mean fluoride concentration for livestock grazing in the polluted region is larger than that for livestock grazing in the unpolluted region
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Urinary fluoride concentration (in parts per million) was measured for both a sample of livestock th...
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