given that in a statistical magazine, average professional athletes' salaries in three sports were compiled and compared for the years 1993 and 2003.
Here actual scores were recorded for three athletes and comparison was made for the years from 1993 to 2003
We have to understand the main difference between descriptive and inferential statistics
Descriptive statistics deals with the recording compilation and analysis of data but no prediction is made
But inferential statistics is to predict of infer.
I can help with 17-20:) Slope = m = y2 - y1/ x2 -x1 So, you have already found the y1 and y2 and x1 and x2. So, plug the numbers into the equation: 3 - 1/(-5) - (-2) 4 - (-3)/(-1) - 1 (-5) - 5/2 - 4 2 - (-1)/(-1) - 1 Then solve. (Btw, the formula looks like this: Hope this helps!!!