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One important aspect of medical diagnoses is it's free reproducibility. Suppose that two different doctors examine 100 patients for dyspnea in a respiratory disease clinic and Dr. a diagnosed 15 patients as having dyspnea, Dr. be diagnosed 10 patients is having dyspnea, and both Dr. a and Dr. be diagnosed seven patients is having dyspnea.
Question: Compute the Kappa statistic and its standard error reading reproducibility of the diagnosis of dyspnea in this clinic.
The Pearson Product-Moment Correlation Coefficient (r) is a measure of linear relationship between two variables.
Nancy believes that the average running time of movies is equal to 140 minutes. A sample of 4 movies was taken and the following running times were obtained. Assume the population of the running times is normally distributed.
A battery manufacturing plant normally operates two eight-hour shifts per day and 6 days per week. The manufacturer can produce 375 units per hour.
At a certain university, 28% of the students major in zoology. Of all the students majoring in zoology, 68% are males. It is also known that 56% of all students at the university are male. Let Z represent the event that a randomly chosen student i..
Fit a multiple linear regression model for predicting the hospital duration using age, sex, body temperature, white blood cell counts, antibiotic use, blood culture and service
Using the .05 significance level, can we conclude that there is a positive association between the two variables?
An experiment involves rolling a fair six-sided die repeatedly. How many times must the die be rolled for a {6} to result at least once with probability greater than or equal to 0.6 ?
Construct a relative frequency distribution for the weights of regular Coke by starting the first class at 0.7900 lb. and use a class width of 0.0050 lb.
how many individuals will I need to sample if I want a 95% margin of error to be no more than 3%, I want to know if the results are significant at = 10%. With the information given.
Which combination of factors produces smallest risk of Type I error?
What is the predicted values of the fund in the period t = 1? What is the predicted value of the fund in the period 3, and period 7?
Either no change to the Objective function or a raise in the value of the objective function depends on the constraint.
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