During a routine check of the fluoride content of gotham city's water supply, the given results were obtained from replicate analyses of a single sample: 0.90900 mg/l , 0.88900 mg/l , 0.91300 mg/l , 0.88700 mg/l , and 0.91900 mg/l . determine the mean and 90% confidence interval for the average fluoride concentration in this sample. report the mean and the confidence interval with three significant figures.
mean:
90% confidence interval:
Answers: 3
Another question on Chemistry
Chemistry, 22.06.2019 01:00
Which part of a feedback mechanism is able to monitor the conditions outside of cells and usually uses nerve cells to relay this information to an intergrating center
Answers: 2
Chemistry, 22.06.2019 05:30
Choose all the answers that apply. as ocean depth increases, temperature decreases temperature increases pressure increases pressure decreases salinity increases density increases
Answers: 2
Chemistry, 22.06.2019 11:50
Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘
Answers: 2
Chemistry, 22.06.2019 17:00
The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.
Answers: 1
You know the right answer?
During a routine check of the fluoride content of gotham city's water supply, the given results were...
Questions
Mathematics, 21.01.2021 19:40
Mathematics, 21.01.2021 19:40
English, 21.01.2021 19:40
Chemistry, 21.01.2021 19:40
History, 21.01.2021 19:40
Mathematics, 21.01.2021 19:40
Mathematics, 21.01.2021 19:40
Biology, 21.01.2021 19:40
Chemistry, 21.01.2021 19:40
Mathematics, 21.01.2021 19:40
Mathematics, 21.01.2021 19:40
