Answer:
3
Step-by-step explanation:
We have given
,
and SP =30
We have to find the slope for regression on Y from X
The slope on Y from X is given by 
As we have given the value of SP =30 and value of 
So slope for regression will be
Answer:
10
Step-by-step explanation:
The side to the right is 15. The side to the left is 5. You can subtract these two to find the length.
Answer:
Mean deviation is a statistical measure of the average deviation of values from the mean in a sample. It is calculated first by finding the average of the observations. The difference of each observation from the mean then is determined. The deviations then are averaged. This analysis is used to calculate how sporadic observations are from the mean.
Step-by-step explanation:
If there is an equation ill solve it for u