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Posted By Junaid
Hi all,
I am currently working on statistical concepts of Safety related data but my understanding is very limited. could you please assist me in following:
1. a couple of examples of continuous variable from safety-related data ? (from any organisation),
2. an example of one form of safety-related data where identifying that the distribution is negatively skewed might assist in safety management.
3. If the CEO in our organisation asks us "what are the typical number of days compensated in our injury claims"? how can we answer this question?
4. What is the correlation coefficient of "days compensated" and "claimant age"?
5. What is the correlation coefficient of "days compensated" and "payments to Date"?
Junaid.
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Rank: Guest
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Posted By Merv Newman
Junaid,
Concerning your points 1 and 2, I don't understand the questions. Could you elucidate please.
Points 3, 4 and 5 could be answered by a little research with about 10 companies ; compensation paid, days compensated, age of person. But you have to be careful when defining your cohorts.
Merv
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Rank: Guest
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Posted By Junaid
Hi Merv,
Thank you for your response. In question 1, its asking about Continuous variable from safety-related data. A variable is continuous if its range is uncountably infinite. for example, temperature in Bangor during January, Length of fish caught oof the Florida Keys, and Speed of cars on New Jersey Turnpike. In short, our measurement of continuous variables is always approximate.
My problem is that I don't know examples relative to safety data.?????????????
Forget question 2.
And please provide me more details on Q 3, 4, 5. I don't have access to other companies data unfortunately.
Regards.
Junaid.
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Rank: Guest
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Posted By Merv Newman
Ok, got your e-mail.
Question 1. If you don't have access to any other company stats then you might have to be content with national statistics and work from there
Question 2. Continuing boggle.
Question 3 should be a doddle if you keep running totals of Lost Time Injuries and total days lost. A quick calculation for the monthly report will give the CEO the answer to a question he no longer ha to ask.
Question 4 can be easy if your accident reports include the date of birth of the injured person
Question 5 should, again be easy if you keep running totals of days compensated and compensation paid. Check with your insurers.
Using the word "coefficient" might be a bit ambitious. We all work the above out for ourselves (if the CEO asks the question) but we seldom compare them with others. So, unless you can find some research articles which have done the work, I have some doubts that you will find your E=MC2
Merv
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