Computing the kappa statistic and its standard error

Assignment Help Basic Statistics
Reference no: EM1395165

One important aspect of medical diagnosis is its reproducibility. Suppose that two different doctors examine 100 patients for dyspnea in a respiratory disease clinic and that Doctor A diagnosed 15 patients as having dyspnea, doctor B diagnosed 10 patients as having dyspnea, and both Doctor A and Doctor B diagnosed 7 patients as having dyspnea.

Compute the Kappa statistic and its standard error regarding reproducibility of the diagnosis of dyspnea in the clinic.

Reference no: EM1395165

Questions Cloud

Test the claim of the brewery about the mean volume : Test the claim of the brewery about the mean volume equal to 32 oz. at the 0.05 significance level. It's your choice whether to use z or t.
Description of sampling distribution of mean : A person asks, "what do you think is the ideal number of children for a family to have?" The 497 females who responded had a median of 2, mean of 3.02, and a standard deviation of 1.81.
Creating a diagram to determine the cfu-ml : You are given a milk sample that Mr. Milkman claims contains 4.5 x 108 CFU/ml. He claims this is within the limit of acceptable CFU/ml for Grade A milk.
Explain squad leader in reorganization process after attack : Kill some of insurgents in process. Put in plain words your activities as squad leader in reorganization process after hasty attack on your squad?
Computing the kappa statistic and its standard error : Compute the Kappa statistic and its standard error regarding reproducibility of the diagnosis of dyspnea in the clinic.
Stranger anxiety- correct grammar : In this report, I will discuss two different authors' opinions on the subject of stranger's anxiety. I will discuss what the author has written about the subject, and also tell you what I think the author is trying to say. I will also, agree or di..
Discussion on neutral theory : Some evolutionary biologists have argued that the neutral theory should be taken as the null hypothesis to explain genetic variation within species or populations and genetic differences among them.
Probability of the mean of test scores : A final exam in Math 157 is normally distributed and has a mean of 75 with a standard deviation of 12. If 36 students are randomly selected, find the probability that the mean of their test scores is greater than 70.
Explain what is estimated in performance evaluation : Explain what must be estimated in the performance evaluation. Distinguish relative value of common sets of evaluation criteria.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining fraction of employees cost between given range

Determine fraction of employees cost between $1,500 and $2,000 per year?

  Sample proportion of a sample size

A sample proportion is calculated from a sample size of 394. How large of a sample would we need in order to decrease the standard error by a factor of 9?

  Finding minimum sample size using the mean scores

What is the minimum sample size needed in order for you to be 95% confident that your estimate is within 5 of µ? Use the value 20 for the population standard deviation of scores on this subsection.

  Standard z-scores finding

For a population with a mean of μ = 60 and a standard deviation of σ = 24, find the Z score corresponding to each of the following samples.

  Determining confidence interval evaluate for average number

Determine 95% confidence interval evaluate for average number of years served by all Supreme Court justices?

  Probability of accepting false null hypothesis

If the true mean for Saturday sales is now $4500, what is the probability of accepting the (false) null hypothesis.

  Difference in the level of satisfaction

Infer that the difference in the level of satisfaction with service between the two branches.

  Fixing null and alternate hypotheses for single proportion

In terms of  p , the researcher should test which of the following null and alternative hypotheses?

  Extreme value on the confidence interval

Using the results, describe the effect of an outlier or extreme value on the confidence interval.

  Compute required probabilities based on empirical rule

Using the empirical rule what percentage of adults is 25 - 45 has iq score bet 70 and 130.

  Determine the coefficient of correlation

Multiple choice questions based on regression - dependent variable Y and an independent variable X is provided.

  Determining registration process which takes average time

Registration process takes, on average, 2 minutes per patient. Among patients who get prescriptions, average time spent with doctor is 5 minutes. Among those admitted to hospital, average time is 30 minutes.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd