Adding or subtracting a constant from each value of a distribution changes the mean, but not the standard deviation.
The standard deviation will equal 3.
Answer:
I kinda did a lil of this in my head so i might not be 100% correct, but i would say the bigger group is 20 and the smaller group is 10
Answer:
answer E
Step-by-step explanation:
9.2 i think you have to round it up and it’s 9.5
This is simple proportions, because of their similarity:
