(N instead of X for variable)
N x 7 < 21
The error in Jerry's calculation is 4.84
The number of employees, N = 4
The mean is calculated as:

The formula for the standard deviation is:

This can be further calculated as:

Jerry thinks the Standard Deviation = 8
The true Standard Deviation = 3.16
Error = |True value - Measured value|
Error = |3.16 - 8|
Error = 4.84
Learn more here: brainly.com/question/18562832
Answer:
20; but check again and make sure the equation set up correlates with what you're learning about
Step-by-step explanation:
5/(5-2)! = 5/3! --->> 5*4=20