A sports psychologist is seeking a screening task for talent identification that does not favour one gender over the other.He recruits a sample of 119 athletes (70 male and 49 female)and records the time taken to complete the task.The distribution has a very long tail so he decides to conduct a nonparametric test in SPSS.The output is shown below: Which of the following statements is false?
A)The Mann-Whitney test has no assumptions.
B)The Mann-Whitney test has less restrictive assumptions than the t-test.
C)A t-test could have been calculated using the same data
D)The decision to use a Mann-Whitney test can be justified in terms of the assumption of normality that applies to the t-test.
E)The sum of the mean ranks is approximately 119.

Question

A sports psychologist is seeking a screening task for talent identification that does not favour one gender over the other.He recruits a sample of 119 athletes (70 male and 49 female)and records the time taken to complete the task.The distribution has a very long tail so he decides to conduct a nonparametric test in SPSS.The output is shown below:  Which of the following statements is false?
A)The Mann-Whitney test has no assumptions. 
B)The Mann-Whitney test has less restrictive assumptions than the t-test. 
C)A t-test could have been calculated using the same data 
D)The decision to use a Mann-Whitney test can be justified in terms of the assumption of normality that applies to the t-test. 
E)The sum of the mean ranks is approximately 119.

Quizplus · Accepted Answer

The Answer of A sports psychologist is seeking a screening task for talent identification that does not favour one gender over the other.He recruits a sample of 119 athletes (70 male and 49 female)and records the time taken to complete the task.The distribution has a very long tail so he decides to conduct a nonparametric test in SPSS.The output is shown below:  Which of the following statements is false?
A)The Mann-Whitney test has no assumptions. 
B)The Mann-Whitney test has less restrictive assumptions than the t-test. 
C)A t-test could have been calculated using the same data 
D)The decision to use a Mann-Whitney test can be justified in terms of the assumption of normality that applies to the t-test. 
E)The sum of the mean ranks is approximately 119.

A Sports Psychologist Is Seeking a Screening Task for Talent