Test: PSAT Math

1.

A doctor conducted a statistical experiment to determine the relationship between weight and height. In this study, she assigned weight as the independent variable, and height (in inches) as the dependent variable. She plotted the data on a scatter plot.  If the results follow a linear relationship, what is a reasonable conclusion that could be found based these results? 

A slope of 

A positive slope

 

An undefined slope 

A negative slope

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