Answer:
The answer just so happens to be 6!
Answer:
62.5
Step-by-step explanation:
subtract first 55-4.5= 50.5 then do 50.5+12=62.5
The Standard deviation could only be zero if all the data points in your set are equal. If all data points are equal, there is no deviation.
What do you mean? i could help you if you say what you need more clearly
