Determining hypothesis testing of proportions

Reference no: EM13109377

awson and Jick [1976] compare drug prescription in the United States and Scotland.

(a) In patients with congestive heart failure, two or more drugs were prescribed in 257 of 437 U.S. patients. In Scotland, 39 of 179 patients had two or more drugs prescribed. Test the null hypothesis of equal proportions giving the resulting p- value. Construct a 95% confidence interval for the difference in proportions.

Reference no: EM13109377

Questions Cloud

Determine the project duration : The following is a table of activities associated with a project at Bill Figg Enterprises, their durations and what activities each must precede:

Question about reflection : Discuss a recent research project undertaken in the last 3 to 5 years. What type of analysis was conducted? What decisions were made?

Explain how do productions and operations management : Explain how do productions and operations management contribute to the long-term success of Washburn Guitars?

Research the internet for companies in any industry : Research the Internet for 3 to 4 companies in any industry other than foodstuffs. These companies must all sell the same product or offer the same service

Determining hypothesis testing of proportions : In patients with congestive heart failure, two or more drugs were prescribed in 257 of 437 U.S. patients. In Scotland, 39 of 179 patients had two or more drugs prescribed

Explain how boeing connects with its customers : Marketing is really strategic idea of "connectedness" with customers. From the perspective of Boeing, identify and explain how Boeing connects with its customers - select from either the marketing concept or the selling concept. Be detailed with a..

Create the project network using aon : Task time estimates for a production line setup project at Robert Klassens Ontario factory are as follows:

Information about null and alternative hypotheses : The average age for all medicare patients in the USA is 75. A sample from a clinic shows that the average age of the clnic medicare patients is 78.

Explain plant superintendent to hire an additional worker : A plant foreman requests the plant superintendent to hire an additional worker whenever overtime hours for the previous month increase by more than 15 percent over the headcount.

User Account

All Pages