_____ refer to the specific sensory modalities by which signals are sent and messages are retrieved, such as sight or sound

______ refers to the procedures used to summarize, analyze, and draw conclusions from data

a. Statistics b. Parameters c. Sampling d. Hypotheses

The likelihood of _____________with the use of fertility drugs or in vitro fertilization

a. having identical twins increases b. having fraternal twins increases c. having twins decreases d. having twins stays the same