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When a large number of cases are examined and a positive relationship is found what else should one expect to find?
a positive slope and a linear relationship
What does no relationship in math mean?
It means that there is no mapping between the two sets of data or between the input and output values. The phrase is often incorrectly used when there is no linear relationship found between two variables, through regression or correlation analysis. Often there can be a non-linear relationship.
What does contextual factors mean?
Contextual factors are characteristics of the environment that are related to the effectiveness of a collaboration. Found the information here: http://crs.uvm.edu/nnco/cd/subcon.htm
What is the meaning of zero correlation?
If variables have zero correlation, they do not have a linear relationship. Zero correlation shows that two things were not found to be related.
What conlusions can you draw if the line of best fit on a linear graph does not slope either up or down but its horizontal?
The independent variable is not linearly related by the independent variable over the domain. It does not mean that there is no relationship between the variables. For example, a quadratic relationship (y = ax2 + bx + c) over a domain that is symmetric about the vertex (-b/2a) will result in a horizontal line. Similar regions can be found for any polynomial of even order.
