One Way Anova Example Problems. For example we might want to know if three different studying techniques lead to different mean exam scores. Andy field page 3 4 18 2007 the muppet show futurama bbc news no program 11 4 4 7 78 37 86 25 14 11 2 4 11 9 3 3 10 8 6 4 5 4 4 mean 9 43 7 67 3 33 4 75 variance 8 95 5 87 2 27 2 21 grand mean grand variance 6 30 10 06 carry out a one way anova by hand to test the hypothesis that.
A one way anova is used to determine how one factor impacts a response variable. Reporting the results of a one way anova we found a statistically significant difference in average crop yield according to fertilizer type f 2 9 073 p 0 001. C8057 research methods ii.
C8057 research methods ii.
For example suppose we had 7 groups. Since the whole operation depends on a steady flow of electricity a break in the middle of the wire would also cause problems. For the results of a one way anova to be valid the following assumptions should be met. Equal variances the variances of the populations that the samples come from are equal.
