SOLUTION: 1.Which of the following correlations is weakest? a. -1 b. -.5 c. 0 d. +1 2.Consider the following sets of variables. When is computing correlation appropriate? a. Weight

Algebra ->  Probability-and-statistics -> SOLUTION: 1.Which of the following correlations is weakest? a. -1 b. -.5 c. 0 d. +1 2.Consider the following sets of variables. When is computing correlation appropriate? a. Weight      Log On


   

Question 648340: 1.Which of the following correlations is weakest?
a. -1
b. -.5
c. 0
d. +1
2.Consider the following sets of variables. When is computing correlation appropriate?
a. Weight and height
b. Gender and height
c. Age (11-20, 21-30, …) and height
d. Name and height
3.The direction of causality
a.Can be determined when two variables have significant linear correlation
b. Can be determined when two variables have significant nonlinear correlation
c. Can be determined when two variables have no correlation
d. Cannot be determined based on correlation alone


Answer by MathLover1(20850) About Me  (Show Source):
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1.Which of the following correlations is weakest?
it is
c. 0+

2.Consider the following sets of variables. When is computing correlation appropriate?
a. Weight and height ...............................yes
b. Gender and height ...............................yes
c. Age (11-20, 21-30, …) and height ......yes
d. Name and height ....................................no

3.The direction of causality
d. Cannot be determined based on correlation alone