Question
PSLE
Peter's scores for 6 tests are shown in the table. Find this average score.

Tests 1st 2nd 3rd 4th 5th 6th
Scores 15 20 5 13 17 20
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PSLE
Peter's scores for 6 tests are shown in the table. Find this average score.

Tests 1st 2nd 3rd 4th 5th 6th
Scores 15 20 5 13 17 20