Wednesday

July 30, 2014

July 30, 2014

Posted by **CANDICE** on Monday, August 20, 2012 at 4:26pm.

ACT GPA

22.0 3.0

32.0 3.78

33.0 3.68

21.0 2.94

27.0 3.38

25.0 3.21

30.0 3.65

a) What is the R? What type of relationship does it indicate (strong/weak; positive/negative)?

b) Go to the coefficients readout. The constant is the intercept. Under that is the ACT and that is the slope. Using the straight line formula of Y = mx + b, which you will find on page 313, you will now predict some future GPA scores: In the formula (m) is the slope; (x) is the variable that you are looking to use

as a predictor; and (b) is the intercept. Predict GPA from the following ACT scores using the regression

equation/straight line formula (show all your work):

1) 20

2) 25

3) 34

- MATH -
**PsyDAG**, Tuesday, August 21, 2012 at 9:04pmDid you read your instructions on page 324? I can't read them.

I searched Google under the key words "*regression analysis*" to get these possible sources:

http://aolsearcht7.search.aol.com/aol/search?query=regression+analysis&s_it=client-browsermac-unauth

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.

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