1. Given the contengency table below, calculate the expected frequency for each cell. Diagnosis Healthy Male 20 18 Female 13 9
2. Using the Chi-squared table, what is the approximate probability for a X2 value of 11.2 with df = 4?
3. Describe one of the assumptions of a one-way ANOVA
4. Do private doctors and hospital doctors have the same distribution of working hours? Conduct a chi-square test using the data below. Report the null and alternative hypotheses, the degrees of freedom, the test statistic, the p-value, and the conclusion. 20-29 hrs 30-39 hrs 40-49 hrs 50+ hrs Private Practice 16 40 38 6 Hospital 8 44 59 39