MTTR is the total time taken to repair an IT component or system divided by the total number of repairs made during the time period.
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p > < b > Total repair time / Total number of repairs < /b>
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p > < b > For example: < /b> A printer breaks down three times in a week, and it takes 1 hour, 4 hours and 0.5 hours to repair it.
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p > < b > The MTTR is(1 + 4 + 0.5) / 3 = 5.5 / 3 = 1.83 hours. < /b