. For the table that follows, answer the following questions:

Question

x y
1 -1
2 -5
3 -9
4







- Would the correlation between x and y in the table above be positive or negative?

- Find the missing value of y in the table. The missing value of y =

How would the values of this table be interpreted in terms of linear regression?

- If a "line of best fit" is placed among these points plotted on a coordinate system, would the slope of this line be positive or negative?

Please show work!

Answer 1

hmmm. as x increases by 1, y decreases by 4.

That should make things clear.