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A particular district of your nation had a higher incidence rate for polio last year compared to the rest of the country. That region has been traditionally been resistant to vaccination efforts. You have commissioned a case-control study for the village to evaluate the situation after a recent outbreak of the disease in the area to measure vaccination status among the 63 poliomyelitis cases and 126 age- and neighborhood-matched controls. Cases were found to be under-vaccinated through routine immunization (matched odds ratio [MOR], 0.3; 95% confidence interval [CI],0.1-0.5).a. What do the odds ratio and given confidence interval indicate? (3 points)The matched odds ratio 0.3 indicated that vaccination was associated with 70%decrease in the risk of poliomyelitis and the 95% confidence interval [0.1 - 0.5]indicated that we are 95% confident that vaccination was associated with [50% to90%] decrease in the risk of poliomyelitis. B. How was the odds ratio calculated? (3 points)There are 4 possible outcomes with respect to the matched pair:⇒ Case exposed; Control exposed⇒ Case exposed; Control not exposed⇒ Case not exposed; control exposed⇒ Case not exposed; control not exposed Let u is the number of pairs in which "Case exposed; Control not exposed" and v is the number of pairs in which "Case not exposed; control exposed".Odds Ratio = u/v = 0.3
Elaborate on u and v in my calculation; where would these fit on a 2x2 table?; I must explain the statistics to an understandable level in a press release.
Each of the following proportions is based on survey responses. For each proportion, use the ±2 rule of thumb to determine the 95 percent confidence interval. When asked if they are satisfied with their financial situation, .29 said "very satisfied" ..
Perform a factor analysis on the three variables shown in question 2 above. What do conclude about the factors? Perform another factor analysis that includes the new variable, change in external events. What do you conclude?
A graphic designer makes a presentation to clients and this results in sales of her services in 1/4 of the cases. Assuming the results for different clients are independent.
Adequacy Equity Exportability Neutrality Simplicity What other tax revenue systems could you consider? How do you think they would be better or worse? 2. What role do taxes play in political issues?
Briefly describe why life insurers typically invest most
How should they use the information from the labs?
The number of completed entries made per hour
Describe the direction of the relationship between the Hamstring strength index 60°/s and the Shuttle run test and without using numbers, describe the relationship between the Hamstring strength index 120°/s and the Triple hop index.
problem 1a researcher is interested in evaluating whether there is a relationship between number of packs of cigarettes
Determine whether the given value is a statistic or a parameter.
Create a pivot table for the training data with Online as a column variable, CC as a row variable, and Loan as a secondary row variable - Create two separate pivot tables for the training data.
IQ scores from the general population form a normal distribution with a μ = 100 and σ = 15. However, data indicate that children's intelligence may be affected if their mothers have German measles during pregnancy.
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