A Teacher in a School Was Interested in Examining the Differences

Multiple Choice

A teacher in a school was interested in examining the differences in children's maths scores across a year group, which consisted of three classes. She was particularly interested in whether the class the child was in had a possible influence on the child's maths score. She ran an ANOVA with the predictor variable 'class', which had three categories, 'Yellow Class', 'Green Class' and 'Purple class'; the outcome variable was 'maths score'. Her ANOVA had an F-statistic of 4.23 (p 0.68) . How would you interpret her findings?

A) There is a significant difference in children's maths scores by class membership.
B) There is no significant difference in children's maths scores by class membership.
C) There is insufficient information; the results of Post hoc tests is needed.
D) The results are ambiguous.