The t statistic is a statistic that assumes that the variable has a symmetric bell-shaped distribution and the mean is known; the population variance is estimated from the sample

When testing a hypothesis, if the computed value is 39.7 and the critical z is 1.96, then:

A) the hypothesis is not supported B) the hypothesis is supported C) the critical z value needs to be changed D) a major assumption has been violated E) no statement can be made about the hypothesis based on this information

In considering that "a reporter is a reporter," media-savvy public relations practitioners know that ________

A) all journalists subscribe to a uniform code of ethics B) they are all standard-issue reporters C) anything they say to a journalist is fair game to be reported D) they can approach reporters in a casual, easy manner