An experiment was conducted to investigate the survival of diplococcus pneumonia bacteria in chick embryos under relative
Question:
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a. Should the two factors RH and Temp be considered as fixed or random? Explain.
b. Carry out the analysis of variance for both the fixed-effects case and the random-effects case. Do your conclusions differ in the two cases?
c. Write the fixed-effects and the random-effects models that could describe this experiment.
d. Using dummy variables provide a regression model that can be used to obtain the results in the ANOVA table.
e. What regression model would be appropriate for describing the relationship of RH and Temp to survival time (Y) if the data for the independent variables are to be treated as interval rather than as nominal?
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a Both factors should be considered random if it is of interest to generalize the study results to a...View the full answer
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Related Book For 
Applied Regression Analysis And Other Multivariable Methods
ISBN: 632
5th Edition
Authors: David G. Kleinbaum, Lawrence L. Kupper, Azhar Nizam, Eli S. Rosenberg
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