A soap manufacturer is experimenting with several formulas of soap powder. Three of the formulas were selected for further testing by a panel of homemakers. The ratings for the three formulas are as follows: 
The soap manufacturer decided to use the Kruskal-Wallis test. What is the null hypothesis? ___________________________________
Definitions:
Vertical Organizational Structure
An organizational model where hierarchy and direct lines of authority from top management down to lower level employees are emphasized.
Managerial Function
The roles and activities undertaken by managers to plan, organize, lead, and control to achieve business objectives.
Communicator Style
The characteristic ways in which individuals express themselves verbally and nonverbally in interpersonal communications.
High Performance Standards
A level of excellence or criteria of superior performance that organizations or individuals strive to achieve.
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