The following output is from a single factor ANOVA test:

a)Are there significant differences between the groups?Answer

Yes

No

b)Imagine that groups were combined into one group what is the Total Variation of that group?

Total Variance =Answer

(state accurate to 1dp)

(1 mark)

c)Calculate 95% confidence intervals for the groups.(state limits to 2dp)

Group 1Low_LimitAnswer

High_LimitAnswer

Group 2Low_LimitAnswer

High_LimitAnswer

Group 3Low_LimitAnswer

High_LimitAnswer

(6 marks)

d)Choose from the following as your conclusionAnswer

All groups are sig different

Group 1 is sig different to groups 2 and 3

Group 2 is sig different togroups 1 and 3

Group 3 is sig different togroups 2 and 3

(2 marks)