Which of the following statements are rightly expressed in relation to statistical testing?
A. When the expected frequencies are too small, the value of Χ2 will be overestimated and will result in too many rejections of the null-hypothesis
B. Mann-Whitney test assumes that population is normal
C. Kruskal-Wallis test is similar to one-way analysis of variance
D. The homogeneity of variance means that the test is concerned with the hypothesis that the identical means came from the same population
E. Student's t-Distribution is by definition normal
Choose the correct answer from the options given below:
1
A, B and D only
2
B, C and D only
3
A, C and E only
4
C and D only