Answer:
Parameter
Step-by-step explanation:
Required
Parameter of Statistic
From the question, we understand that the teacher is to calculate the class average.
To calculate the class average, the teacher will use the mean function/formula, which is calculated as:

Generally, mean is an example of a parameter.
<em>So, we can conclude that the teacher will use parameer</em>
B. 13
12^2 + 5^2 = c^2
169 = c^2
13 = c
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