Performance records for 18 salespersons are selected to investigate whether compensation methods are a significant motivational factor. A Kruskal-Wallis test is to be performed with $\alpha$= 0.01.The null hypothesis is ___.
A)Group 1 = Group 2 = Group 3
B)Group 1 $\neq$ Group 2$\neq$Group 3
C)Group 1 $\ge$ Group 2 $\ge$Group 3
D)Group 1$\le$Group 2 $\le$Group 3
E)Group 1 $\le$Group 2 ≥ Group 3

Question

Performance records for 18 salespersons are selected to investigate whether compensation methods are a significant motivational factor.  A Kruskal-Wallis test is to be performed with $\alpha$= 0.01.The null hypothesis is ___.
A)Group 1 = Group 2 = Group 3 
B)Group 1 $\neq$ Group 2$\neq$Group 3 
C)Group 1 $\ge$ Group 2 $\ge$Group 3 
D)Group 1$\le$Group 2 $\le$Group 3 
E)Group 1 $\le$Group 2 ≥ Group 3

Quizplus · Accepted Answer

The Answer of Performance records for 18 salespersons are selected to investigate whether compensation methods are a significant motivational factor.  A Kruskal-Wallis test is to be performed with $\alpha$= 0.01.The null hypothesis is ___.
A)Group 1 = Group 2 = Group 3 
B)Group 1 $\neq$ Group 2$\neq$Group 3 
C)Group 1 $\ge$ Group 2 $\ge$Group 3 
D)Group 1$\le$Group 2 $\le$Group 3 
E)Group 1 $\le$Group 2 ≥ Group 3

Performance Records for 18 Salespersons Are Selected to Investigate Whether α\alphaα

Performance Records for 18 Salespersons Are Selected to Investigate Whether $\alpha$