Null and Alternative Hypothesis

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?


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


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