A ______ alternative hypothesis such as ______ is also referred to as ______.

A) directional; µ ≠ 164; two-tailed
B) non-directional; µ > 164; two-tailed
C) directional; µ > 164; one-tailed
D) non-directional; µ ≠ 164; one-tailed

Directional

In research, directional usually refers to a hypothesis that specifies the direction of an expected difference or relationship.

µ > 164

A mathematical condition indicating that the population mean is greater than 164.

One-tailed

Describes a hypothesis test or statistical analysis where the significance is tested in only one direction, indicating the expected direction of an effect.