Question:
For a population with a mean of μ=45 and a standard deviation of σ=10. What is the corresponding z score if it has a score of X = 44?
Answer:

Explanation:
Given



Required
Calculate the z score
This is calculated as:

So:



Answer:
it had to follow a pattern
Explanation:
she doesn't like reading
Answer:
do this in english please?? ;)
Answer:
C
Explanation:
It prevents other variables such as independent variables and extraneous variables from affecting the validity of results. It also makes it easier to compare results when variables are changed.
Hope this helps :)
They mostly changed how the fosil fuels , transprotation ,appliances