Answer:
First one
Step-by-step explanation:
First choose because they are all multiply by 5
Answer:
Section A = $27,000Section B = $14,800Section C = $12,200
Step-by-step explanation:
Answer:
upper control limit 
Concept :
where 

where 
Given :
She took a sample of per day
is
bottles.
The standard deviation
of all bottles is
degree.
Average across all
bottles
are
degree Fahrenheit.
To find :
The value of the upper control limit (UCL)
Explanation :
Here, firstly we find the value of
.


and 


Now, 


degrees.
Answer:
observational study
Step-by-step explanation:
A sales director doesn't go out and ask if people like a product he/she will see if it sold
It is not experimental either because nothing new is happening or being created. Something is just being observed to see if people like it.
An observational study can become an experiment if it involves testing something new