Mathematics, 16.06.2020 20:57, coolfreekid3
Diabetes tends to be more prevalent in urban populations, but why this is so is not fully understood. A recent study1 on mice was designed to investigate the link between diabetes and air pollution. The study involved mice, with randomly selected to have filtered air pumped into their cage while the other breathed particulate matter that simulated common air pollution. The response variable is the amount of insulin resistance each mouse had after weeks. Higher insulin resistance indicates a greater risk for developing diabetes.
(a) Is this an observational study or randomized experiment?
A. Randomized experiment
B. Observational study
(b) If we are interested in whether there is a difference in mean insulin resistance between the two groups, what are the null and alternative hypotheses?
Answers: 1
Mathematics, 21.06.2019 18:30, lethycialee79711
What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound
Answers: 2
Mathematics, 21.06.2019 19:30, allicat133
Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.
Answers: 1
Mathematics, 21.06.2019 20:00, adriancastaneda
The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?
Answers: 1
Diabetes tends to be more prevalent in urban populations, but why this is so is not fully understood...
Health, 07.03.2020 22:25