Recent content by markecb

Thank you, here is little more data; I used chi-square (χ2) test to investigate the statistical significance of differences of opinion about the students offered the choice of extra-curricular activities with regard to gender and school achievement, ie the most recently completed assessment of...

In one case I get the results as a significant difference in the other with the same dana, the difference is not significant. Data sample A B I 5 8 II 4 28 http://imageshack.com/a/img542/467/o61k.jpg Same data and got significant difference...