Refer back to Exercise 13. Perform your own analysis of the data to see if baldness and heart disease are related. Do your conclusions support the claim that baldness is a cause of heart disease? Explain.
In Exercise 13

A student runs a two factor ANOVA on these data and finds the following ANOVA table;

a) Comment on her analysis. What problems, if any, do you find with the analysis?
b) What sort of analysis might you do instead?

Transcribed Image Text:

Number of Men Baldness None None Little Little Heart Disease Yes No Yes No Yes No Yes No 251 331 165 221 195 185 52 Some Much Much 35 Mean DF Squares Square F-Ratio P-value Sum of Source Baldness 3 62441.375 20813.792 17.956 0.020 Heart disease 1485.125 1485.125 .281 0.340 Error 3 3477.375 1159.125