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As an occupational health epidemiologist, you are required to measure the effect of stress on the workers in your manufacturing plant. Two different tests preveiously developed measure stress in industrial workers are selected; stress test alpha and stress test delta. The sensitivity and specificity of each test are shown below:
Stress Test Alpha Stress Test Delta
Sensitivity= 60% 75%
Specificity= 95% 90%
a. Which test generates the greatest proportion of FNs?
b. Which test genereates the greates proportion of FPs?
c. Which test would you prefer?
How would you go about studying a nonlinear or curvilinear relationship between two variables using contingency tables and chi-square tests? Provide examples from you own professional experience.
In a two-way ANOVA, there are 4 levels for factor A, 5 levels for factor B, and 3 observations for each combination of factor A and factor B levels. The number of treatments in this experiment equals:
Describe the purpose of the link function of a GLM. What is the identity link? Explain why it is not often used with binomial and Poisson responses.
how many wayss are there to select an unordered group of eight numbers between 1 and 25 inclusive with repetition? in
Explain the organization, inventory problem it faces, and expected benefits which are motivating organization to implement a solution.
find the value ofnbsptnbspfor the difference between two means based on an assumption of normality and this information
Compute the unit manufacturing cost of the product under the contribution approach. Compute the effect on net income of accepting a special order for 500 units at $10 per unit assuming excess capacity.
A rare disease has just broken out. Doctor Johnson is trying to help, but while treating patients he might expose himself to the disease.
Suppose the budget has the support of 52% of the voters. What is the probability that the newspaper's sample will lead it to predict defeat?
q1. determine whether a statistical analysis should best involve examination of the population or of a sample in each
The following data represents the amount of time ( in minutes ) that a person had to wait for a bus to work on a random sample of 5 working days.
bentley foods inc. a large manufacturer of frozen foods has developed a new line of frozen pizza. management has agreed
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