Am doing degree course and stuck on statistics question, need resolved quickly. Research hypothesis : The time served in the Australian construction industry has an effect in relation to...

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Am doing degree course and stuck on statistics question, need resolved quickly.
Research hypothesis: The time served in the Australian construction industry has an effect in relation to incident/injury reporting.
Null hypothesis: The time served in the Australian construction industry has no affect in relation to incident/injury reporting.
Whilst I have the data on attached excel spreadsheet and basic answer, it is not the scientific one I need. Have been playing around trying to find best solution, t-tests etc. and cant find best solution. I need resolved and workings please. Not worried about written explanation that much, more on the scientific stats workings.

Excel sheet attached
Answered Same DayOct 26, 2019

Answer To: Am doing degree course and stuck on statistics question, need resolved quickly. Research hypothesis...

David answered on Dec 27 2019
77 Votes
Null hypothesis, ho: The time served in the Australian construction industry and incident/injury reporting are independent variables. this is tested against alternative hypothesis, h1: The time served in the Australian construction industry and incident/injury reporting are NOT independent variables
My level of significance is alpha 0.05. This implies I am 95% confident about my results. I apply Chi-Square Test for...
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