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WebAssign for Rosner's Fundamentals of Biostatistics, 8th Edition [Instant Access], Single-Term
8th Edition
ISBN: 9780357452905
Author: Rosner
Publisher: Cengage Learning US
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Chapter 10, Problem 15P
Ophthalmology
Retinitis pigmentosa is a disease that manifests itself via different genetic modes of inheritance. Cases have been documented with a dominant, recessive, and sex-linked
Do these data show a significant association between ethnic origin and genetic type?
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Retinitis pigmentosa is a disease that manifests itself viadifferent genetic modes of inheritance. Cases have beendocumented with a dominant, recessive, and sex-linkedmode of inheritance. It has been conjectured that mode ofinheritance is related to the ethnic origin of the individual.Cases of the disease have been surveyed in an Englishand a Swiss population with the following results: Of 125English cases, 46 had sex-linked disease, 25 had recessive disease, and 54 had dominant disease. Of 110 Swisscases, 1 had sex-linked disease, 99 had recessive disease,and 10 had dominant disease.
Do these data show a significant association between ethnic origin and genetic type?
In a research to study the gender differences in receiving Lidocaine therapy in Acure Myocardial infarction (AMI) patients older than 75 years who have a history of hypertension and strokes, there were 81 patients in total (30 males and 51 females). The following table provides the outcomes.
Therapy
Gender
Receive
Not receive
Total
Male
8
22
30
Female
16
35
51
Total
24
57
81
According to the hypothesis that there is no association between receive Lidocaine therapy and gender, what does the minimum expected cell count in this table?
Based on the answer to part a, which test should you use to test the hypothesis of no association between receive Lidocaine therapy and gender?
Test the hypothesis whether the receiving Lidocaine therapy is independent of their gender at .05 significance level. Find the critical value and p-value, respectively.
Therapy
Gender
Receive
Not receive
Total
Male
2
28
30…
A cross-sectional study is conducted to investigate cardiovascular disease (CVD) risk factors among a sample of patients seeking medical care at one of three local hospitals. A total of 500500 patients are enrolled. Based on the following data, we would like to determine if there is a significant association between the family history of CVD and the enrollment site.
Enrollment Site
Family History of CVD
Hospital 1
Hospital 2
Hospital 3
Total
Yes
34
8
58
100
No
104
72
224
400
Total
138
80
282
500
Given:
The value of the test statistic is χ2= 6.912
Use α=0.1 as the level of significance.
The superintendent of Hospital 2 performed the Goodness of Fit Test to test whether 25% of the patients go to Hospital 1, 15% of the patients go to Hospital 2 and 60% of the patients go to Hospital 3.
Given: The superintendent found that the pp-value for the test is 0.25091
Let:
p1=p1= be the proportion of patients at Hospital 1
p2=p2= be the proportion of patients at…
Chapter 10 Solutions
WebAssign for Rosner's Fundamentals of Biostatistics, 8th Edition [Instant Access], Single-Term
Ch. 10.2 - What is a contingency table?Ch. 10 - Consider the Physicians Health Study data...Ch. 10 - Consider the Physicians Health Study data...Ch. 10 - Answer Problem 10.1 if a one-sided test with power...Ch. 10 - Consider the Physicians Health Study data...Ch. 10 - Answer Problem 10.4 if compliance is as given in...Ch. 10 - Consider the Physicians Health Study data...Ch. 10 - Consider the Physicians Health Study data...Ch. 10 - Gastroenterology Two drugs (A, B) are compared for...Ch. 10 - Gastroenterology Two drugs (A, B) are compared for...
Ch. 10 - Gastroenterology Two drugs (A, B) are compared for...Ch. 10 - Sexually Transmitted Disease Suppose researchers...Ch. 10 - Cancer A 1980 study investigated the relationship...Ch. 10 - Ophthalmology Retinitis pigmentosa is a disease...Ch. 10 - Pulmonary Disease One important aspect of medical...Ch. 10 - Prob. 24PCh. 10 - Hepatic Disease Refer to Data Set HORMONE.DAT, at...Ch. 10 - Health Services Administration In the Harvard...Ch. 10 - Health Services Administration In the Harvard...Ch. 10 - Orthopedics A study was performed among subjects...Ch. 10 - Prob. 54PCh. 10 - Prob. 55PCh. 10 - Prob. 56PCh. 10 - Prob. 57PCh. 10 - Prob. 58PCh. 10 - Cancer A topic of current interest is whether...Ch. 10 - Cancer A topic of current interest is whether...Ch. 10 - Ophthalmology A 5-year study among 601...Ch. 10 - Prob. 74PCh. 10 - Prob. 77PCh. 10 - Prob. 87P
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