Question 9 Not yet answered Marked out of 10.00 P Flag question The following output is from a single factor ANOVA test: SUMMARY Groups Count Sum Average Variance Group 1 10 834 83.4 71.15556 Group 2 12 1049 87.41667 38.44697 Group 3 9 612 68 128.75 Group 4 8 518 64.75 219.6429 ANOVA Source of Variation SS of Variance F Fent Between Groups 3638.619 3 1212.873 11.69174 2.87 Within Groups 3630.817 35 103.7376 Total 7269.436 38 a) Calculate 959% confidence intervals for the groups. (state limits to 2dp) Group 1 Low_Limit High_Limit Group 2 Low_Limit High_Limit Group 3 Low Limit High_Limit Group 4 Low_Limit High_ LimitBetween Groups 3638.619 3 1212.873 11.69174 2.87 Within Groups 3630.817 35 103.7376 Total 7269.436 38 a) Calculate 95% confidence intervals for the groups. (state limits to 2dp) Group 1 Low_Limit High_Limit Group 2 Low_Limit High_Limit Group 3 Low_Limit High_Limit Group 4 Low_Limit High_Limit (8 marks) b) Choose from the following as your conclusion (2 marks)