Answer:
I think it would be 
Step-by-step explanation:
stomp me if its wrong <3

<em> hopefully this helps ~</em>
<span>7 × (–3) × (–2)^2
= </span>-21 × 4
= - 84
Hope it helps
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>