Hello there!
To do this, we will take the square root from each side
4^2 would be 4
16 would be 4
4 = 4
I hope I helped!
~ Fire
Answer: The standard deviation formula may look confusing, but it will make sense after we break it down. ...
Step 1: Find the mean.
Step 2: For each data point, find the square of its distance to the mean.
Step 3: Sum the values from Step 2.
Step 4: Divide by the number of data points.
Step 5: Take the square root.
Step-by-step explanation:
Answer: 
and 
Step-by-step explanation:
Observe the number line attached.
In order to find which numbers are a distance of 
from 
on a number line, you can follow these steps:
First step: You must locate the number on the number line.
Second step: Move to the left. Notice that the distance between the numbers and is
Third step: Move to the right. Observe that the distance between the numbers and is
You can also verify this through the following addition and subtraction:
Therefore, the numbers that are a distance of from on a number line, are:
and
