What is the two-tail p-value the prtesti command

Reference no: EM133181731

Question 1:

A cross sectional study was carried out at a busy tuberculosis clinic in a high prevalence district. The aim of the study was to see if older people with tuberculosis were as likely as younger people to be tested for HIV. The study revealed the following situation:

Was HIV testing done?
		Yes	No
Aged over 50?	Yes	80	20	100
Aged over 50?	No	270	30	300

Which ONE of the following four statements is correct?

Only a p-value is produced with prtest
Both a p-value and a 95% CI are produced with the chi square test
Both a p-value and a 95% CI are produced with prtest
Only a 95% CI is produced with a chi square test

Question 2:
A cross sectional study was carried out at a busy tuberculosis clinic in a high prevalence district. The aim of the study was to see if older people with tuberculosis were as likely as younger people to be tested for HIV. The study revealed the following situation:

Was HIV testing done?
		Yes	No
Aged over 50?	Yes	80	20	100
Aged over 50?	No	270	30	300

Submit your answer. With the HIV testing data in this scenario, what is the two-tail p-value following the prtesti command?
0.0044
0.0088
0.0090
0.9956

Question 3:
A cross sectional study was carried out at a busy tuberculosis clinic in a high prevalence district. The aim of the study was to see if older people with tuberculosis were as likely as younger people to be tested for HIV. The study revealed the following situation:

Was HIV testing done?
		Yes	No
Aged over 50?	Yes	80	20	100
Aged over 50?	No	270	30	300

Submit your answer. Which ONE of the following statements about the 95% CI for the difference between the two proportions is correct?
The difference between the population proportions is unlikely to be of much concern
The CI illustrates that there may actually be no difference other than due to sampling error
The difference between the proportions is 2.62%
The difference between the population proportions may be as large as 18%

Reference no: EM133181731

Questions Cloud

Role of handling a team of people : You have joined an IT company as a front line manager and given a role of handling a team of 10 people from different nationalities like UAE, China, Germany, Me

Identifying the problems and secondary issues : What role would, or could, information technology play in the identification and/or monitoring of cardiac catheterizations and ensuring the quality of care is d

Enumerate the service techniques : 1. What are the various styles of service? Discuss the salient differences among them.

Disadvantages of adopting the process : Provide an overview of the case study. Outline issues in the article that you thought were relevant or irrelevant. Why?

What is the two-tail p-value the prtesti command : With the HIV testing data in this scenario, what is the two-tail p-value following the prtesti command?

Managing the impact a nations culture : What is the HR's role in managing the impact a nations culture will have on the business moving into another country? Or HRs role in managing the impact a natio

Identify alternative resource to vak questionnaire : Conduct independent research to identify an alternative resource to the VAK questionnaire that can be used to identify different learner styles.

What is the value of the measure of association : What is the value of the measure of association obtained for this set of data and What is the value of the upper (higher) limit of the 95% CI

Use the chi square test to obtain your answers : Table of cell counts and then perform the hypothesis test using Stata. Use the chi square test to obtain your answers unless use of the chi square test

User Account

All Pages