{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

# hw4_5 - STA 6127 Spring 2010 Homework 4/5 Due Analysis of...

This preview shows pages 1–2. Sign up to view the full content.

STA 6127 – Spring 2010 Homework 4/5 – Due 3/31/10 Analysis of Covariance Using the cloud seeding data, complete the following problems for all tests use α=0.05 significance level). Fill in answers on this form, and include computer output. 1) Use the 2-sample t-test to test whether there the true mean amount of rain differs between seeded and unseeded conditions in the test area. 2) Write out the model for the Analysis of Covariance, stating all parameters and their meanings (assume no interaction for this part and the next part). 3) Use the Analysis of Covariance to test whether the true mean amount of rain differs between the seeded and unseeded conditions, controlling for the amount of rain in the control area. 4) Test whether there is an interaction between seeding condition and amount of rainfall in the control area. (You will need to create a variable that is the product of seeddum and cntrltot).

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Model Building 1) For the Crime data, we have the following variables:
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 2

hw4_5 - STA 6127 Spring 2010 Homework 4/5 Due Analysis of...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online