Chi-square test of hypothesis for independence of variables

Assignment Help Basic Statistics

Reference no: EM13108107

Which Treatment is Better?

A randomized controlled trial was designed to compare the effectiveness of splinting against surgery in the treatment of carpal tunnel syndrome. Results are given in the table below (based on data from "Splinting vs. Surgery in the Treatment of Carpal Tunnel Syndrome," by Gerritsen et al., Hornal of the American Medical Association, Vol. 288, No. 10). The results are based on evaluations made one year after the treatment. Using a 0.01 significance level, test the claim that success is independent of the type of treatment. What do the results suggest about treating carpal tunnel syndrome?

Successful Treatment Unsuccessful Treatment

Splint Treatment 60 23

Surgery Treatment 67 6

Reference no: EM13108107

Questions Cloud

Find the maximum area of the ?eld : A farmer wants to fence o a rectangular ?eld and then divide the ?eld in half with a fence down the middle (see diagram below). If he can only aord 240 ft. of fencing material, what is the width y which gives the maximum area of the ?eld?

Chi square test for birth data : Births. Randomly selected births records were obtained and results are listed in the table below (based on data from the National Vital statistics Report,

Determine total cost to make a blaster unit : Determine the total cost (purchase price + delivery cost) to make a Blaster unit using thesewoofer and tweeter components and each delivery combination option?

Describe the impact of solicitation process : Describe the impact of the solicitation process and how it determines the preparation of your bid. Find an example of a project in which one of these two types was used in a real federal contract.

Chi-square test of hypothesis for independence of variables : A randomized controlled trial was designed to compare the effectiveness of splinting against surgery in the treatment of carpal tunnel syndrome.

Chi square test of independence of variables : Dogs were trained with urine samples from bladder cancer patients and people from a control group who did not have bladder cancer.

Chi square test for numbers of citations : Can we conclude that there is a difference in number of citations written between the officers? Use the 0.05 level of significance.

Explain procrastination-sleep and academic performance : Study investigated procrastination, sleep, and academic performance (GPA) for North campus majors (humanities and social sciences) against south campus majors.

Problem on compensation : What might be the most effective way to secure cooperation from one's Union in tailoring Total Compensation to help the company achieve a sustainable competitive business advantage.

User Account

All Pages