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SafePath CSPIndependent CSP-11 exam preparation
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G08 data interpretation

Read the table before you rank the sites.

Practice interpreting original safety data, checking assumptions, and explaining professional decisions. These are teaching cases, not a validated readiness assessment.

D2.07 · FORM

Crude TRIR ranking

moderate difficulty · editorial estimate

Two sites used the same reporting year and claim to apply US OSHA recordability rules. Leadership wants to rank overall safety from these data. Which next step best supports a defensible comparison?

Crude TRIR ranking — source data for this question
SiteRecordablesHoursTRIR
A4400,0002.00
B31,200,0000.50
Table as text

Site: A; Recordables: 4; Hours: 400,000; TRIR: 2.00. Site: B; Recordables: 3; Hours: 1,200,000; TRIR: 0.50.

Mix-trap board

The average of two rates is not the pooled rate.

Group A

2.00

Group B

2.00

Pooled rate (hours-weighted): 2.00

Unweighted mean of the two rates: 2.00

If those numbers differ, the mix trap is live. Use the pooled rate. This board does not publish a CSP pass probability.