According to Mehrabian?s research, the most significant source of emotional meaning in our

The theory that says people use the mass media for a variety of purposes in known as

A) two-way symmetrical communication. B) two-step flow. C) management by objective. D) uses and gratifications. E) spiral of silence.

Which statistic does not refer to the midpoint of the data?

a) Mode b) ? (mu) c) Sigma d) Mean