Project #86844 - Nursing Statistics Homework

Question 1

You are going to explain the one way ANOVA logic to another student.  What is that logic and what do the numerator and denominator of the F ratio tell us.  What does it mean to say the F value is significant?  Why might we do post hoc testing, and why use Eta-squared?  In terms of levels of measurement, what can we use and what can’t we use with ANOVA?

 

Remember, not straight from the book.  It’s you not talking to me, Stat Professor, but to someone who knows little about statistics.  

 

Question 2

Discuss a situation in your home life, work life, school life, or that you found in the media where the correct analysis would be to conduct a one-way or two-way chi square. Set up the proper chi-square table and include the expected frequencies and what you imagine the observed frequencies would be. Report the calculated chi square statistic, and calculate and interpret a phi coefficient.  What does your chi square result tell you?

 

Question 3

Multiple Regression is complex.  Discuss why we use it and what it tells us, and contrast this with Multiple Correlation and the reasons we might use it.  Let’s think of examples in clinical work where these techniques might enhance our ability to predict some future outcome.  Show me you understand the information these measures yield.

 

Question 4

Devise a hypothetical research  question that requires a discriminant function analysis.  What assumptions must you make, and what questions will it answer.  Why do we have to be cautious using Wilks’ lambda?

 

Question 5

 

Discuss the most common patterns of missing data and the compare the basic method of deletion versus imputation for dealing with missing values.   What are the researcher’s obligation in a report if they have had missing data values?  Why is this important.  

 

Subject Mathematics
Due By (Pacific Time) 10/14/2015 12:00 am
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