Homework Help: stastics- correlation and regression

Posted by mary-please help figure out this problem. on Tuesday, October 19, 2010 at 1:31am.

for the table that follows: answer the following questions:
x y
1 -1/4
2 -1/2
3 -3/4
4 ?

* would the correlation between x and y in the table show above be positive or negative? i think that it would be negative, i am not sure that is correct?

* find the value of y in the table? i think that it is 4/4 or 1, is that correct?

* how would the values of this table be interpreted i terms of linear regression? please explain.

thank you. mary hornbeck

stastics- correlation and regression - PsyDAG, Tuesday, October 19, 2010 at 10:54am
When x increases by 1, y increases by 1/4. 1 is correct, but if both variables increase, is that a positive or negative correlation?
Safety - PsyDAG, Tuesday, October 19, 2010 at 10:57am
For your safety, do not give your complete name online.

Answer this Question

Related Questions

Math - For the table that follows, answer the following questions: x y 1 1/2 2 1...
Math - For the table that follows, answer the following questions: x y 1 -8 2 -...
statistics - . For the table that follows, answer the following questions: x y 1...
Stats - Construct a scatterplot for the (x, y) values below, and answer the ...
Algebra - 2. Find the value of x^3 +2x^2 -3 when x =3 Answer-42 12. What type of...
STATISTICS - A) If a regression experiment has correlation coefficient r= 0.75, ...
college statistics - construct a scatterplot for x,y values x 1 2 3 4 5 y 0.5 0....
Stats - x y 1 -10.0 2 -20.0 3 -30.0 4 -40.0 5 -50.0 - What would be the slope of...
statistics - If the correlation coefficient is -0.54, what is the sign of the ...
Math - A. If the correlation coefficient is 0.65, what is the sign of the slope ...

For Further Reading

First Name:
School Subject:
Answer: