a study of 6839854 births in the United States found a total of 6522 babies were...
a study of 6839854 births in the United States found a total of 6522 babies were born with a finger defect, either syndactyly(fused fingers), polydactyly, or adactyly. Of 5171 babies born with birth defects (finger defects), 4366 had mothers that did not smoke while pregnant, and the rest had mothers that did smoke while pregnant. In a sample of 10,342 babies without birth defects, 9062 of the mothers did not smoke while pregnant and the others did smoke while pregnant.
a. create a graph to
show the associated between smoking during pregnancy and finger
defects.
b. What is the 95% confidence interval for the proportion of babies
born with a birth defect?
c. What is the odds ratio of these birth defects, comparing smoking
to nonsmoking mothers? Provide a 95% confidence interval for the
odds ratio.
d. Which group of mothers has a lower odds of having a child with a birth defect?
Homework Answers
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a study of 6839854 births in the United States found a total of
6522 babies were...
can the answer please be given ive answered E before and it was incorrect In a...
can the answer please be given
ive answered E before and it was incorrect
In a case-control study of maternal cigarette smoking as a risk factor for low birth weight, the investigators concluded that mothers of children with low birth weight were more likely to report smoking during pregnancy relative to mothers of children with normal birth weight. The investigators later learned there was a reporting error, in which the mothers of healthy weight babies who smoked while pregnant tended...
The birth weights for two groups of babies were compared in a study. In one group...
The birth weights for two groups of babies were compared in a study. In one group the mothers took a zinc supplement during pregnancy. In another group, the mothers took a placebo. A sample of 173 babies in the zinc group had a mean birth weight of 3085 grams. A sample of 158 babies in the placebo group had a mean birth weight of 3386 grams. Assume that the population standard deviation for the zinc group is 887 grams, while...
The birth weights for two groups of babies were compared in a study. In one group...
The birth weights for two groups of babies were compared in a study. In one group the mothers took a zinc supplement during pregnancy. In another group, the mothers took a placebo. A sample of 87 babies in the zinc group had a mean birth weight of 3038 grams. A sample of 88 babies in the placebo group had a mean birth weight of 3440 grams. Assume that the population standard deviation for the zinc group is 564 grams, while...
The birth weights for two groups of babies were compared in a study. In one group...
The birth weights for two groups of babies were compared in a study. In one group the mothers took a zinc supplement during pregnancy. In another group, the mothers took a placebo. A sample of 176 babies in the zinc group had a mean birth weight of 3270 grams. A sample of 220 babies in the placebo group had a mean birth weight of 3144 grams. Assume that the population standard deviation for the zinc group is 718 grams, while...
6. Given below are the birth weights of babies born to mothers who took special vitamin...
6. Given below are the birth weights of babies born to mothers who took special vitamin supplements while pregnant: 3.23 4.57 3.93 4.33 3.39 3.68 4.68 3.52 3.84 3.02 4.29 2.47 4.13 4.47 3.22 3.43 2.54 3.40 a. Make a 99% confidence interval for the mean weight of babies whose mothers take vitamin supplements. b. Do a hypothesis test to determine if these babies weight is more than the mean weight for the population of all babies which is 3.39...
10. The Beck & Watson article is a Group of answer choices quantitative study qualitative study...
10. The Beck & Watson article is a
Group of answer choices
quantitative study
qualitative study
11. Beck & Watson examined participants' experiences and
perceptions using what type of research design?
Group of answer choices
particpant obersvation
phenomenology
12. Select the participants in the Beck & Watson study
Group of answer choices
Caucasian women with 2-4 children
Caucasian pregnant women
13. In the Beck & Watson study, data was collected via
a(n)
Group of answer choices
internet study
focus group...
/books/9781323584736/cfi/6/3781/4/2/16/10@0:100 Case Study Fire-Safe Cigarettes In 2011, 90,000 fires in the United States were started by...
/books/9781323584736/cfi/6/3781/4/2/16/10@0:100 Case Study Fire-Safe Cigarettes In 2011, 90,000 fires in the United States were started by a lighted tobacco product The dollar value of the property lost in these fires is staggering. In that same year fires caused by dropped or discarded cigarettes resulted in 540 deaths. Twenty-five percent of the victims of cigarette induced fires were not the smokers, and about 40% of cigarette-induced fires started in the bedroom. (Source. www.firesafecigarettes.org) Certainly it makes sense to develop a cigarette...
14. Select the number of participants in the Beck & Watson study Group of answer choices...
14. Select the number of participants in the Beck & Watson
study
Group of answer choices
8
13
22
35
15. Beck & Watson determined their final sample size via
Group of answer choices
coding
saturation
triangulation
ethnography
16.Through their study, Beck & Watson determined
Group of answer choices
after a traumatic birth, subsequent births have no troubling
effects
after a traumatic birth, subsequent births brought fear, terror,
anxiety, and dread
Subsequent Childbirth After a Previous Traumatic Birth Beck, Cheryl...
Indicate the one major type of limitation that is possible in each of the situations described...
Indicate the one major type of limitation that is possible in each of the situations described below. Choose from the following: selection bias, information bias, confounding, random error, limited generalizability or no error. Choose only one per example. A case-control study was conducted to determine whether lower socioeconomic status was associated with a higher risk of cervical cancer. The cases consisted of 250 women with cervical cancer who had been referred to Massachusetts General Hospital for treatment for cervical cancer. They were referred from...
can the answer please be given
ive answered E before and it was incorrect
In a case-control study of maternal cigarette smoking as a risk factor for low birth weight, the investigators concluded that mothers of children with low birth weight were more likely to report smoking during pregnancy relative to mothers of children with normal birth weight. The investigators later learned there was a reporting error, in which the mothers of healthy weight babies who smoked while pregnant tended...
The birth weights for two groups of babies were compared in a study. In one group the mothers took a zinc supplement during pregnancy. In another group, the mothers took a placebo. A sample of 173 babies in the zinc group had a mean birth weight of 3085 grams. A sample of 158 babies in the placebo group had a mean birth weight of 3386 grams. Assume that the population standard deviation for the zinc group is 887 grams, while...
The birth weights for two groups of babies were compared in a study. In one group the mothers took a zinc supplement during pregnancy. In another group, the mothers took a placebo. A sample of 176 babies in the zinc group had a mean birth weight of 3270 grams. A sample of 220 babies in the placebo group had a mean birth weight of 3144 grams. Assume that the population standard deviation for the zinc group is 718 grams, while...
10. The Beck & Watson article is a
Group of answer choices
quantitative study
qualitative study
11. Beck & Watson examined participants' experiences and
perceptions using what type of research design?
Group of answer choices
particpant obersvation
phenomenology
12. Select the participants in the Beck & Watson study
Group of answer choices
Caucasian women with 2-4 children
Caucasian pregnant women
13. In the Beck & Watson study, data was collected via
a(n)
Group of answer choices
internet study
focus group...
/books/9781323584736/cfi/6/3781/4/2/16/10@0:100 Case Study Fire-Safe Cigarettes In 2011, 90,000 fires in the United States were started by a lighted tobacco product The dollar value of the property lost in these fires is staggering. In that same year fires caused by dropped or discarded cigarettes resulted in 540 deaths. Twenty-five percent of the victims of cigarette induced fires were not the smokers, and about 40% of cigarette-induced fires started in the bedroom. (Source. www.firesafecigarettes.org) Certainly it makes sense to develop a cigarette...
14. Select the number of participants in the Beck & Watson
study
Group of answer choices
8
13
22
35
15. Beck & Watson determined their final sample size via
Group of answer choices
coding
saturation
triangulation
ethnography
16.Through their study, Beck & Watson determined
Group of answer choices
after a traumatic birth, subsequent births have no troubling
effects
after a traumatic birth, subsequent births brought fear, terror,
anxiety, and dread
Subsequent Childbirth After a Previous Traumatic Birth Beck, Cheryl...
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