An official of a large national union claims that the fraction of women in the union is not significantly different from one-half. Using the sample information reported below, carry out a test of this statement. Use a .05 level of significance. The test statistic is The critical value is Therefore we the null hypothesis and we either can conclude that the fraction of women in the union is not significantly different or it is significantly different. Which do you conclude? sample size 400 women 168 men 232