Question 10 (1 point) A number of new surgery techniques are being tested for their effect on the number of recovery days required by the patient post-operation. A control group is receiving the current treatment, and the other groups are each receiving one of the other new treatment techniques. The null hypothesis is that all the techniques (the current one and the new ones) are equally as effective (there is no significant difference in the recovery times). The results of the ANOVA used to analyze the data is presented in the table below: ANOVA Source of Variation SS Between Groups df MS F 15.26 3 5.09 3.70 Within Groups 21.99 16 1.37 Total 37.25 19 How many new treatment techniques were being tested (in addition to the current one)? Your Answer: Answer