Mathematics, 27.05.2020 01:58 baileysosmart

A recent study was conducted to determine the concentration of lead in drinking water across various states. 25 water samples from the state of Washington were tested; the mean lead concentration was found to be 0.15%. This compares to 32 water samples in the state of Minnesota where the mean was reported to be 0.21%. The data was calculated to be significant at the 0.0001 level. Determine the meaning of this significance level.

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 21:00, Abdullah1860

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?

Answers: 2

continue

Mathematics, 21.06.2019 22:00, Morehollie9428

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.

Answers: 2

continue

Mathematics, 21.06.2019 23:00, kaleahlove13

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.

Answers: 3

continue

Mathematics, 22.06.2019 01:30, heidiallen565

Arace is 10 kilometers long. markers will be placed at the beginning and end of the race course and at each 500 meter mark. how many markers are needed to mark the course for the race?

Answers: 3

continue

You know the right answer?

A recent study was conducted to determine the concentration of lead in drinking water across various...