The Mann-Whitney U test is used to compare differences between two independent groups when the variable of interest is on the _______ scale.Answ

What is the primary purpose of the Mann-Whitney U Test?  A. To compare means of two independent groups  B. To examine the relationship between two continuous variables  C. To test the difference between two sample proportions  D. To compare distributions of two independent groups

In a Mann-Whitney U Test, what does it compare between two independent groups?  A. Means  B. Variances  C. Medians  D. Standard deviations

A researcher is comparing the performance of two groups on an exam using the Mann-Whitney U Test. What is the null hypothesis in this test?  A. There is no difference between the groups  B. The groups have equal means  C. The groups have equal variances  D. The distribution is normal

Select Any One Of the Following Options: What is the null hypothesis in the Mann Whitney U test?The frequency of two datasets are equal.The mean rating of two datasets are equal.The frequency of two datasets are not equal.The mean ratings of two datasets are not equal.

Which type of experimental design can be analysed using a Mann-Whitney U test?Question 3Answera.A study in which doctors' happiness was measured on a scale along with the number of hours that they worked in a week.b.A study in which the frequency of participants was recorded for choosing a final year option in cognitive psychology, social psychology, or neuroscience for young versus mature students.c.An independent-sample design in which the number of correct responses on a statistics exam were recorded for two groups of participants: one group received their teaching online and the other group on campus.d.A repeated-measures design in which reaction times on a task were recorded before and after having caffeine.