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Part 10. One-way ANOVA (55 points) For all questions in this part of the exam, you will be using the Red cell folate data from the ISWR package, which is found in the dataframe red. cell . folate. red. cell. folate Red cell folate data Description The folate data frame has 22 rows and 2 columns. It contains data on red cell folate levels in patients receiving three different methods of ventilation during anesthesia. Usage red. cell. folate Format This data frame contains the following columns: folate a numeric vector, folate concentration (ug/1). ventilation a factor with levels N20+02, 24h: 50% nitrous oxide and 50% oxygen, continuously for 24 hours; N20+02, op: 50% nitrous oxide and 50% oxygen, only during operation; 02, 24h: no nitrous oxide but 35%-50% oxygen for 24 hours. (a) [2 points each answer, 4 points total] State the null and alternative hypotheses for the one-way ANOVA of this dataset. Ho. Ha