All you have to do is draw two circles then make lines in the circles so that you have 8 pieces, do that twice.
Hi!
7 + (-3) = 7 - 3 = 4
The correct answer is C.) 4.
Hope this helps!
Answer:


Step-by-step explanation:
Given


Solving (a): The mean
This is calculated as:

So, we have:



Solving (b): The standard deviation
This is calculated as:

So, we have:




Answer:
The answer to the question is a rectangle.
Step-by-step explanation: