Data task 134: A pre-service teacher is using the data for classroom planning, assessment or school operations. The setting is a student progress meeting. Find the arithmetic mean of 11, 18, 25, 32, 39.

Data task 134: A pre-service teacher is using the data for classroom planning, assessment or school operations. The setting is a student progress meeting. Find the arithmetic mean of 11, 18, 25, 32, 39.

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