subject
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.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:40
If square root x = -7, then x= -49 true or false
Answers: 1
question
Mathematics, 21.06.2019 23:00
Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?
Answers: 1
question
Mathematics, 21.06.2019 23:30
If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?
Answers: 2
question
Mathematics, 21.06.2019 23:30
Hundred and tens tables to make 430 in five different ways
Answers: 1
You know the right answer?
A recent study was conducted to determine the concentration of lead in drinking water across various...
Questions
question
Mathematics, 19.11.2020 23:10
question
Mathematics, 19.11.2020 23:10
question
Business, 19.11.2020 23:10
question
Mathematics, 19.11.2020 23:10
Questions on the website: 13722362