Wednesday
April 16, 2014

Homework Help: Statistics

Posted by Melanie on Wednesday, November 14, 2012 at 7:46am.

When testing H0: σ12 = σ22 vs. Ha: σ12 ≠ σ22 two random samples of sizes 10 and 8, respectively, are used. The calculated value of the test statistic is found to be equal to 2.22. Which of the following statements is true?
a. H0 must be rejected at α =.05.
b. H0 cannot be rejected at α =.05.
c. There is sufficient evidence at α =.05 to conclude that a difference in the population variances exist.
d. H0 cannot be rejected at α =.10.
e. none of these

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Please help me - How many permutations σ of the set {1,2,,15} are there ...
physics uncertenty - What is the algebraic expression for the uncertainty in the...
Stor - Here is a simple way to create a random variable X that has mean μ ...
chemistry - can you explain how to find the bond order of (σ1s)^2(σ1s...
Statistics Hypothsis testing - Am I using the 2-sample T test or ANOVA? Please ...
Statistics! - Many companies "grade on a bell curve" to compare the performance ...
Chemistry - Consider the following electron configuration. (σ3s)2 (σ3s...
Chemistry - Consider the following electron configuration. (σ3s)2 (σ3s...
statistics - I need to prove this σ(hat)^2(x,y) = (1/n) Σ (Xi - X (bar...
Physics - There are two conducting concentric hollow spheres of outer radii R2 ...

Search
Members