Evaluate the diagnostic value of dyspnea

Assignment Help Basic Statistics
Reference no: EM132847537

A study was done to evaluate the diagnostic value of dyspnea (being out of breath) following exertion for congestive heart failure (CHF). The results are tabulated below.

CHF no CHF
Dyspnea 41 183
no Dyspnea 0 35

a. Estimate the sensitivity of Dyspnea as a test for CHF.

b. Estimate the specificity of Dyspnea as a test for CHF.

Reference no: EM132847537

Questions Cloud

Conduct a two-tailed t-test : You don't have to show the formulas, but you need to explain how you calculate everything that you have to calculate.
Do think pay inequality is still as big of a problem : Do you think pay inequality is still as big of a problem in today's work environment as we seem to be hearing? Provide evidence to support your rationale.
What was Base Ltd diluted earnings per share : The tax rate applicable for 20x3 was 30%. What was Base Ltd's diluted earnings per share (rounded to the nearest cent) for the year ended 31 December 20x3
How does pay impact all employees and the organization : How Does Pay Impact All Employees And The Organization? The argument has been that women who perform the same type of work as men.
Evaluate the diagnostic value of dyspnea : A study was done to evaluate the diagnostic value of dyspnea (being out of breath) following exertion for congestive heart failure (CHF).
Determine the budgeted direct labor hours for December : If the budgeted cash disbursements for factory overhead for December total $105,000, then determine the budgeted direct labor hours for December
Prepare an application that compares npv and payback period : Prepare an application that compares NPV and payback period.
Create a report that summarizes motivational problems : Create a report that summarizes Motivational Problems and Approaches and what we know about how they work. What direction we can expect from them.
Discuss the advantages and disadvantages of gantt charts : Discuss the advantages and disadvantages of Gantt charts. Differentiating between a work breakdown structure and a Gantt chart.

Reviews

Write a Review

Basic Statistics Questions & Answers

  What is the probability that it was manufactured in atlanta

If one of the 1200 pacemakers is randomly selected and is found to be defective, what is the probability that it was manufactured in Atlanta?

  Leading health maintenance organization hmo firms,

For the leading health maintenance organization (HMO) firms,

  Confidence interval to estimate difference in mean deposits

A summary of data (deposits in thousands of dollars) from the survey is as follows: First National 1 = 4.1, σ1 = 1.2; City National 2 = 3.5, σ2 = 0.9. Use a 98% confidence interval to estimate the difference in the mean weekly deposits into IRAs f..

  Find largest annual per capita consumption of ice cream

A standard deviation of 2.5lb. What is the largest annual per capita consumption of ice cream that can be in the bottom 15%?

  Margin of error in half

When making a CI for a mean, by what factor must you increase the sample size in order to cut the margin of error in half?

  What fraction of american males weigh more than 225 pounds

What fraction of American males weigh more than 225 pounds? -  How much do I weigh? -  If I weighed 20 pounds more than I do, what percentile would I be in?

  Suppose the value of the test statistic

Suppose the value of the test statistic is z = 2.08. What is the p-value?

  If the company places monthly orders equal to the expected

the demand for a product of carolina industries varies greatly from month to month.based on the past two years of data

  What is the ideal working condition for a sales

You are well in a year into the Covid-19 time, now. What is the ideal working condition for a sales in dairy products?

  It has been recorded that 10 people get killed by shark

it has been recorded that 10 people get killed by shark attack every year. what is the probability of having 5 or 6

  Statistics-hypothesis testing-analysis

The mean construction time for a standard two-car garage by Arrowhead Construction Company is 3.5 days. The time for the construction process follows the normal distribution.

  Show the hypotheses the claim the test statistic the df the

a sociologist wishes to determine whether there is a relationship between the sex of a person and the amount of alcohol

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