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.

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

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

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

POBLEM SOLVING : 1.The researchers were interested in the differences in heart rate between men and women while waiting for an interview. Use a Mann-Whitney U test to test if heart rate differs between men and women at the 95% level. The following data is provided: What is the U value based on the given information?