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In: Statistics and Probability

The table below gives a breakdown of the root causes of a sample of 90 industrial...

The table below gives a breakdown of the root causes of a sample of 90 industrial accidents. Are there significant differences in the percentage of incidents in the four cause​ categories? Test using alpha =.05.

System Cause Number of Incidents
Design 24
Procedures 30
Management 22
Training 14
Total 90

Give null, alternative, test statistic, decision, and conclusion.

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orchestra answered 1 year ago
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