Biostatistics Assignment

1. Which of the following scale of measurements are potential dependent variables within ANOVA? (select all that apply)

Ordinal
Ratio
Nominal
Interval

QUESTION 2

1. Which of the following scales of measurement is possible for chi-square analysis?  Select all that apply.

Interval
Ratio
Ordinal
Nominal

QUESTION 3

1. You are a graduate student interested in the sexual health of fraternities and sororities.  You perform an analysis that compares Herpes Simplex Virus I rates between the two populations (Pop1-Pop2; Pop1=Sororties, Pop2=Fraternities).  You get the following results.  What is your conclusion, and how do you know?

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QUESTION 4

1. Articulate when it is appropriate to employ an independent samples analysis and when an ANOVA is appropriate.

QUESTION 5

1. Explain what a confidence interval communicates.  Given a confidence interval, how does one determine whether there is or is not a difference (as it relates to the null hypothesis)?

QUESTION 6

1. Given the following information, determine if there is a difference.  In the event that there is, communicate which regions differ from each other.  Provide a complete interpretation.

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