petersons practice test are they close in difficulty to the actual DSST test???

I scored a 75 on the peterson's test

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Passed
Tecep Bus In Sosiety
Clep Bus Law
Clep Info systems
Tecep Bus Policy
Clep eng w/ essay
DSST Ethics in America

Enrolled (These are the last 2)
LSU Managerial Accounting
TESC PLA Man Comm