Professor mendez found that the correlation between students' life stress scale score and his or her final grade was −.80. this correlation coefficient indicates a relationship between the two variables.

Identify a true statement about media multiplexity.the choice of medium is primarily important in determining the strength of relationships.weak ties are uncomplicated and do not need many channels to sustain them.tie strength plays an insignificant role in determining the number of media employed by pairs.strong ties require less media than weak ties to orchestrate their varied and interdependent connection.