A Test Was Conducted for the Significance of the Difference

Multiple Choice

A test was conducted for the significance of the difference in average education for random samples of males and females in Canada. Males received an average of 13.67 years of schooling and females received an average of 14.05 years. The obtained Z score for this difference was -59.9. Based on these results, which of the following is a reasonable conclusion?

A) The difference is important but not statistically significant.
B) The difference is statistically significant.
C) There is no gender gap in education in Canada.
D) The difference is not statistically significant and was probably caused by random chance.