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Using the provided pictograph data for the number of teachers, calculate the mean and median.

May 24, 2026Mathematics

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Assumption: The question "Use the distance data to:" is a typo, and the calculations should be based on the "Number of Teachers (Pictograph)" data provided in the table.

The dataset from the pictograph, representing the number of teachers for each colour, is: $3, 5, 2, 3, 1, 3, 1$ .
Arranging the data in ascending order: $1, 1, 2, 3, 3, 3, 5$ .
The total number of data points is $n=7$ .

4.1 Calculate mean and median.

Step 1: Calculate the mean.
The mean

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