Mathematics, 26.03.2021 19:20, aks3489
In a study conducted at Virginia Tech, the plasma ascorbic acid levels of pregnant women were compared for smokers versus nonsmokers. Thirty-two women in the last three months of pregnancy, free of major health disorders and ranging in age from 15 to 32 years, were selected for the study. Prior to the col- lection of 20 ml of blood, the participants were told to avoid breakfast, forgo their vitamin supplements, and avoid foods high in ascorbic acid content. From the blood samples, the following plasma ascorbic acid values were determined, in milligrams per 100 milliliters:Plasma Ascorbic Acid Values Non smoker Smoker 0.97 1.16 0.480.72 0.86 0.711.00 0.85 0.980.81 0.58 0.680.62 0.57 1.181.32 0.64 1.36 1.24 0.98 0.78 0.99 1.09 1.640.90 0.92 0.74 0.78 0.88 1.24 0.94 1.18Is there sufficient evidence to conclude that there is a difference between plasma ascorbic acid levels of smokers and nonsmokers? Assume that the two sets of data came from normal populations with unequal variances. Use a P -value.
Answers: 1
Mathematics, 21.06.2019 22:00, johnlumpkin5183
Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.
Answers: 1
Mathematics, 21.06.2019 22:30, iyanistacks50
Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40
Answers: 2
In a study conducted at Virginia Tech, the plasma ascorbic acid levels of pregnant women were compar...
Mathematics, 03.07.2020 19:01
Mathematics, 03.07.2020 19:01