Data task 14: 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 15, 22, 29, 36, 43.

Data task 14: 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 15, 22, 29, 36, 43.

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