An experiment was conducted to determine if motivational techniques in management significantly impacted employee stress levels compared to no intervention. An employee survey was given to three groups: one group under a manager who started using a transformational motivation technique, one group under a manager who began using a transformational motivation technique, and then a control group with no new technique used. Stress levels were self-reported by the employees as shown below. Use alpha = 0.05

Transformational Transactional Control
0 2 6
7 5 5
3 3 8
5 0 9
2 1 5

What is your null and alternative hypothesis?

Solution

The null hypothesis is that the means for all techniques……………………….

 

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