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 $\alpha$