Answer Happy

(1 point) For each problem, select the best response. (a) In contrast to a chi-square test, an ANOVA F test is most appropriate when the O A. samples sizes are equal. B. data are quantitative. C. number of samples is two. OD. standard deviations must be estimated. E. standard deviations are not equal. (b) The alternative hypothesis for an ANOVA F test is that A. all of the population means are not equal. B. none of the population variances are equal. OC. none of the population means are equal. D. at least two of the population means are not equal. OE. all of the population variances are not equal. (c) The null hypothesis for an ANOVA F test is that O A. sample standard deviations are not equal. OB. population means are equal. OC. sample means are equal. OD. population standard deviations are not equal. E. sample sizes are equal.