Answer:
A is the answer
Step-by-step explanation:
Answer:
in total there are 80 subjects. I don't know what class width is though.
Step-by-step explanation:
Look at the graph
The standard deviation of the set is 5.2
To find standard deviation, we take the square root of the variance.
Answer:
y = 3x - 3, your answer is D.
Step-by-step explanation:
Step-by-step explanation:
Quotient of s and r is s/r
s/r to the 3rd power = (s/r)^3
