Please help to determine the power of a hypothesis test

  • Thread starter Thread starter bryandnk
  • Start date Start date
  • Tags Tags
    Power Test
Click For Summary
SUMMARY

The discussion centers on calculating the power of a hypothesis test using the formula for beta, specifically beta = P(Z < Z_alpha_2 - delta/(1/m+1/n)^0.5). The user seeks confirmation on the correctness of this approach, indicating that the power is derived as power = 1 - beta. This method is relevant for statistical analysis in hypothesis testing, particularly in determining the likelihood of correctly rejecting a false null hypothesis.

PREREQUISITES
  • Understanding of hypothesis testing concepts
  • Familiarity with statistical power and beta error
  • Knowledge of Z-scores and their application in statistics
  • Basic proficiency in statistical formulas and calculations
NEXT STEPS
  • Research the concept of statistical power in hypothesis testing
  • Learn about the implications of beta and alpha errors in experiments
  • Explore the use of Z-scores in determining critical values
  • Study the impact of sample size on the power of a test
USEFUL FOR

Students in statistics courses, researchers conducting hypothesis testing, and anyone involved in statistical analysis seeking to understand the power of tests.

bryandnk
Messages
4
Reaction score
0

Homework Statement



[PLAIN]http://img19.imageshack.us/img19/7396/66899700.jpg


The Attempt at a Solution



Please help, Would the power test be something like:

beta = P(Z < Z_alpha_2 - delta/(1/m+1/n)^.5)

power = 1 - beta
 
Last edited by a moderator:
Physics news on Phys.org
so does anyone know if I did this right?
 

Similar threads

  • · Replies 1 ·
Replies
1
Views
3K
Replies
2
Views
2K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 4 ·
Replies
4
Views
1K
Replies
23
Views
9K
  • · Replies 7 ·
Replies
7
Views
2K
  • · Replies 22 ·
Replies
22
Views
4K
  • · Replies 3 ·
Replies
3
Views
1K
Replies
8
Views
2K
  • · Replies 11 ·
Replies
11
Views
3K