To determine how american college students feel about commuting, 100 students at a private university were randomly chosen by selecting 50 men and 50 women to participate. they were asked how far they commute each day (in minutes) to campus. the results of this survey are unreliable primarily because of

The outcomes of this investigation are unreliable mainly because of sampling bias. In statistics, sampling bias is a bias in which a sample is composed in such a method that more or less members of the envisioned population are less probable to be encompassed than others.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.